lisp/calc/calc-help.el

   1 ;;; calc-help.el --- help display functions for Calc,
   2
   3 ;; Copyright (C) 1990, 1991, 1992, 1993, 2001, 2002, 2003, 2004,
   4 ;;   2005, 2006, 2007, 2008  Free Software Foundation, Inc.
   5
   6 ;; Author: David Gillespie <daveg@synaptics.com>
   7 ;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com>
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 3, or (at your option)
  14 ;; any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 ;; Boston, MA 02110-1301, USA.
  25
  26 ;;; Commentary:
  27
  28 ;;; Code:
  29
  30 ;; This file is autoloaded from calc-ext.el.
  31
  32 (require 'calc-ext)
  33 (require 'calc-macs)
  34
  35 (defun calc-help-prefix (arg)
  36   "This key is the prefix for Calc help functions.  See calc-help-for-help."
  37   (interactive "P")
  38   (or calc-dispatch-help (sit-for echo-keystrokes))
  39   (let ((key (calc-read-key-sequence
  40               (if calc-dispatch-help
  41                   "Calc Help options: Help, Info, Tutorial, Summary; Key, Function; ?=more"
  42                 (format "%s  (Type ? for a list of Calc Help options)"
  43                         (key-description (this-command-keys))))
  44               calc-help-map)))
  45     (setq key (lookup-key calc-help-map key))
  46     (message "")
  47     (if key
  48         (call-interactively key)
  49       (beep))))
  50
  51 (defun calc-help-for-help (arg)
  52   "You have typed `h', the Calc help character.  Type a Help option:
  53
  54 B  calc-describe-bindings.  Display a table of all key bindings.
  55 H  calc-full-help.  Display all `?' key messages at once.
  56
  57 I  calc-info.  Read the Calc manual using the Info system.
  58 T  calc-tutorial.  Read the Calc tutorial using the Info system.
  59 S  calc-info-summary.  Read the Calc summary using the Info system.
  60
  61 C  calc-describe-key-briefly.  Look up the command name for a given key.
  62 K  calc-describe-key.  Look up a key's documentation in the manual.
  63 F  calc-describe-function.  Look up a function's documentation in the manual.
  64 V  calc-describe-variable.  Look up a variable's documentation in the manual.
  65
  66 N  calc-view-news.  Display Calc history of changes.
  67
  68 C-c  Describe conditions for copying Calc.
  69 C-d  Describe how you can get a new copy of Calc or report a bug.
  70 C-w  Describe how there is no warranty for Calc."
  71   (interactive "P")
  72   (if calc-dispatch-help
  73       (let (key)
  74         (save-window-excursion
  75           (describe-function 'calc-help-for-help)
  76           (select-window (get-buffer-window "*Help*"))
  77           (while (progn
  78                    (message "Calc Help options: Help, Info, ...  press SPC, DEL to scroll, C-g to cancel")
  79                    (memq (car (setq key (calc-read-key t)))
  80                          '(?  ?\C-h ?\C-? ?\C-v ?\M-v)))
  81             (condition-case err
  82                 (if (memq (car key) '(?  ?\C-v))
  83                     (scroll-up)
  84                   (scroll-down))
  85               (error (beep)))))
  86         (calc-unread-command (cdr key))
  87         (calc-help-prefix nil))
  88     (let ((calc-dispatch-help t))
  89       (calc-help-prefix arg))))
  90
  91 (defun calc-describe-copying ()
  92   (interactive)
  93   (calc-info-goto-node "Copying"))
  94
  95 (defun calc-describe-distribution ()
  96   (interactive)
  97   (calc-info-goto-node "Reporting Bugs"))
  98
  99 (defun calc-describe-no-warranty ()
 100   (interactive)
 101   (calc-info-goto-node "Copying")
 102   (let ((case-fold-search nil))
 103     (search-forward "     NO WARRANTY"))
 104   (beginning-of-line)
 105   (recenter 0))
 106
 107 (defun calc-describe-bindings ()
 108   (interactive)
 109   (describe-bindings)
 110   (save-excursion
 111     (set-buffer "*Help*")
 112     (let ((inhibit-read-only t))
 113       (goto-char (point-min))
 114       (when (search-forward "Major Mode Bindings:" nil t)
 115         (delete-region (point-min) (point))
 116         (insert "Calc Mode Bindings:"))
 117       (when (search-forward "Global bindings:" nil t)
 118         (forward-line -1)
 119         (delete-region (point) (point-max)))
 120       (goto-char (point-min))
 121       (while
 122           (re-search-forward
 123            "\n[a-z] [0-9]\\( .*\n\\)\\([a-z] [0-9]\\1\\)*[a-z] \\([0-9]\\)\\1"
 124            nil t)
 125         (let ((dig1 (char-after (1- (match-beginning 1))))
 126               (dig2 (char-after (match-beginning 3))))
 127           (delete-region (match-end 1) (match-end 0))
 128           (goto-char (match-beginning 1))
 129           (delete-backward-char 1)
 130           (delete-char 5)
 131           (insert (format "%c .. %c" (min dig1 dig2) (max dig1 dig2)))))
 132       (goto-char (point-min)))))
 133
 134 (defun calc-describe-key-briefly (key)
 135   (interactive "kDescribe key briefly: ")
 136   (calc-describe-key key t))
 137
 138 (defvar Info-history)
 139
 140 (defun calc-describe-key (key &optional briefly)
 141   (interactive "kDescribe key: ")
 142   (let ((defn (if (eq (key-binding key) 'calc-dispatch)
 143                   (let ((key2 (calc-read-key-sequence
 144                                (format "Describe key briefly: %s-"
 145                                        (key-description key))
 146                                calc-dispatch-map)))
 147                     (setq key (concat key key2))
 148                     (lookup-key calc-dispatch-map key2))
 149                 (if (eq (key-binding key) 'calc-help-prefix)
 150                     (let ((key2 (calc-read-key-sequence
 151                                  (format "Describe key briefly: %s-"
 152                                          (key-description key))
 153                                  calc-help-map)))
 154                       (setq key (concat key key2))
 155                       (lookup-key calc-help-map key2))
 156                   (key-binding key))))
 157         (inv nil)
 158         (hyp nil)
 159         calc-summary-indentation)
 160     (while (or (equal key "I") (equal key "H"))
 161       (if (equal key "I")
 162           (setq inv (not inv))
 163         (setq hyp (not hyp)))
 164       (setq key (read-key-sequence (format "Describe key%s:%s%s "
 165                                            (if briefly " briefly" "")
 166                                            (if inv " I" "")
 167                                            (if hyp " H" "")))
 168             defn (key-binding key)))
 169     (let ((desc (key-description key))
 170           target)
 171       (if (string-match "^ESC " desc)
 172           (setq desc (concat "M-" (substring desc 4))))
 173       (while (string-match "^M-# \\(ESC \\|C-\\)" desc)
 174         (setq desc (concat "M-# " (substring desc (match-end 0)))))
 175       (if briefly
 176           (let ((msg (save-excursion
 177                        (set-buffer (get-buffer-create "*Calc Summary*"))
 178                        (if (= (buffer-size) 0)
 179                            (progn
 180                              (message "Reading Calc summary from manual...")
 181                              (require 'info nil t)
 182                              (with-temp-buffer
 183                                (Info-mode)
 184                                (Info-goto-node "(Calc)Summary")
 185                                (goto-char (point-min))
 186                                (forward-line 1)
 187                                (copy-to-buffer "*Calc Summary*"
 188                                                (point) (point-max)))
 189                              (setq buffer-read-only t)))
 190                        (goto-char (point-min))
 191                        (setq case-fold-search nil)
 192                        (re-search-forward "^\\(.*\\)\\[\\.\\. a b")
 193                        (setq calc-summary-indentation
 194                              (- (match-end 1) (match-beginning 1)))
 195                        (goto-char (point-min))
 196                        (setq target (if (and (string-match "[0-9]\\'" desc)
 197                                              (not (string-match "[d#]" desc)))
 198                                         (concat (substring desc 0 -1) "0-9")
 199                                       desc))
 200                        (if (re-search-forward
 201                             (format "\n%s%s%s%s[ a-zA-Z]"
 202                                     (make-string (+ calc-summary-indentation 9)
 203                                                  ?\.)
 204                                     (if (string-match "M-#" desc) "   "
 205                                       (if inv
 206                                           (if hyp "I H " "  I ")
 207                                         (if hyp "  H " "    ")))
 208                                     (regexp-quote target)
 209                                     (make-string (max (- 6 (length target)) 0)
 210                                                  ?\ ))
 211                             nil t)
 212                            (let (pt)
 213                              (beginning-of-line)
 214                              (forward-char calc-summary-indentation)
 215                              (setq pt (point))
 216                              (end-of-line)
 217                              (buffer-substring pt (point)))))))
 218             (if msg
 219                 (let ((args (substring msg 0 9))
 220                       (keys (substring msg 9 19))
 221                       (prompts (substring msg 19 38))
 222                       (notes "")
 223                       (cmd (substring msg 40))
 224                       msg)
 225                   (if (string-match "\\` +" args)
 226                       (setq args (substring args (match-end 0))))
 227                   (if (string-match " +\\'" args)
 228                       (setq args (substring args 0 (match-beginning 0))))
 229                   (if (string-match "\\` +" keys)
 230                       (setq keys (substring keys (match-end 0))))
 231                   (if (string-match " +\\'" keys)
 232                       (setq keys (substring keys 0 (match-beginning 0))))
 233                   (if (string-match " [0-9,]+\\'" prompts)
 234                       (setq notes (substring prompts (1+ (match-beginning 0)))
 235                             prompts (substring prompts 0 (match-beginning 0))))
 236                   (if (string-match " +\\'" prompts)
 237                       (setq prompts (substring prompts 0 (match-beginning 0))))
 238                   (if (string-match "\\` +" prompts)
 239                       (setq prompts (substring prompts (match-end 0))))
 240                   (setq msg (format
 241                              "%s:  %s%s`%s'%s%s %s%s"
 242                              (if (string-match
 243                                   "\\`\\(calc-[-a-zA-Z0-9]+\\) *\\(.*\\)\\'"
 244                                   cmd)
 245                                  (prog1 (math-match-substring cmd 1)
 246                                    (setq cmd (math-match-substring cmd 2)))
 247                                defn)
 248                              args (if (equal args "") "" " ")
 249                              keys
 250                              (if (equal prompts "") "" " ") prompts
 251                              (if (equal cmd "") "" " => ") cmd))
 252                   (message "%s%s%s runs %s%s"
 253                            (if inv "I " "") (if hyp "H " "") desc
 254                            msg
 255                            (if (equal notes "") ""
 256                              (format "  (?=notes %s)" notes)))
 257                   (let ((key (calc-read-key t)))
 258                     (if (eq (car key) ??)
 259                         (if (equal notes "")
 260                             (message "No notes for this command")
 261                           (while (string-match "," notes)
 262                             (aset notes (match-beginning 0) ? ))
 263                           (setq notes (sort (car (read-from-string
 264                                                   (format "(%s)" notes)))
 265                                             '<))
 266                           (with-output-to-temp-buffer "*Help*"
 267                             (princ (format "%s\n\n" msg))
 268                             (set-buffer "*Calc Summary*")
 269                             (re-search-forward "^ *NOTES")
 270                             (while notes
 271                               (re-search-forward
 272                                (format "^ *%d\\. " (car notes)))
 273                               (beginning-of-line)
 274                               (let ((pt (point)))
 275                                 (forward-line 1)
 276                                 (or (re-search-forward "^ ? ?[0-9]+\\. " nil t)
 277                                     (goto-char (point-max)))
 278                                 (beginning-of-line)
 279                                 (princ (buffer-substring pt (point))))
 280                               (setq notes (cdr notes)))
 281                             (print-help-return-message)))
 282                       (calc-unread-command (cdr key)))))
 283               (if (or (null defn) (integerp defn))
 284                   (message "%s is undefined" desc)
 285                 (message "%s runs the command %s"
 286                          desc
 287                          (if (symbolp defn) defn (prin1-to-string defn))))))
 288         (if inv (setq desc (concat "I " desc)))
 289         (if hyp (setq desc (concat "H " desc)))
 290         (calc-describe-thing desc "Key Index" nil
 291                              (string-match "[A-Z][A-Z][A-Z]" desc))))))
 292
 293 (defvar calc-help-function-list nil
 294   "List of functions provided by Calc.")
 295
 296 (defvar calc-help-variable-list nil
 297   "List of variables provided by Calc.")
 298
 299 (defun calc-help-index-entries (&rest indices)
 300   "Create a list of entries from the INDICES in the Calc info manual."
 301   (let ((entrylist '())
 302         entry)
 303     (require 'info nil t)
 304     (while indices
 305       (condition-case nil
 306           (with-temp-buffer
 307             (Info-mode)
 308             (Info-goto-node (concat "(Calc)" (car indices) " Index"))
 309             (goto-char (point-min))
 310             (while (re-search-forward "\n\\* \\(.*\\): " nil t)
 311               (setq entry (match-string 1))
 312               (if (and (not (string-match "<[1-9]+>" entry))
 313                        (not (string-match "(.*)" entry))
 314                        (not (string= entry "Menu")))
 315                   (unless (assoc entry entrylist)
 316                     (setq entrylist (cons entry entrylist))))))
 317         (error nil))
 318       (setq indices (cdr indices)))
 319     entrylist))
 320
 321 (defun calc-describe-function (&optional func)
 322   (interactive)
 323   (unless calc-help-function-list
 324     (setq calc-help-function-list
 325           (calc-help-index-entries "Function" "Command")))
 326   (or func
 327       (setq func (completing-read "Describe function: "
 328                                   calc-help-function-list
 329                                   nil t)))
 330   (if (string-match "\\`calc-." func)
 331       (calc-describe-thing func "Command Index")
 332     (calc-describe-thing func "Function Index")))
 333
 334 (defun calc-describe-variable (&optional var)
 335   (interactive)
 336   (unless calc-help-variable-list
 337     (setq calc-help-variable-list
 338           (calc-help-index-entries "Variable")))
 339   (or var
 340       (setq var (completing-read "Describe variable: "
 341                                  calc-help-variable-list
 342                                  nil t)))
 343   (calc-describe-thing var "Variable Index"))
 344
 345 (defun calc-describe-thing (thing where &optional target not-quoted)
 346   (message "Looking for `%s' in %s..." thing where)
 347   (let ((savewin (current-window-configuration)))
 348     (calc-info-goto-node where)
 349     (or (let ((case-fold-search nil))
 350           (re-search-forward (format "\n\\* +%s: \\(.*\\)\\."
 351                                      (regexp-quote thing))
 352                              nil t))
 353         (and (string-match "\\`\\([a-z ]*\\)[0-9]\\'" thing)
 354              (re-search-forward (format "\n\\* +%s[01]-9: \\(.*\\)\\."
 355                                         (substring thing 0 -1))
 356                                 nil t)
 357              (setq thing (format "%s9" (substring thing 0 -1))))
 358         (progn
 359           (if Info-history
 360               (Info-last))
 361           (set-window-configuration savewin)
 362           (error "Can't find `%s' in %s" thing where)))
 363     (let (Info-history)
 364       (Info-goto-node (buffer-substring (match-beginning 1) (match-end 1))))
 365     (or (let ((case-fold-search nil))
 366           (or (search-forward (format "\\[`%s'\\]\\|(`%s')\\|\\<The[ \n]`%s'"
 367                                       (or target thing)
 368                                       (or target thing)
 369                                       (or target thing)) nil t)
 370               (and not-quoted
 371                    (let ((case-fold-search t))
 372                      (search-forward (or target thing) nil t)))
 373               (search-forward (format "`%s'" (or target thing)) nil t)
 374               (search-forward (or target thing) nil t)))
 375         (let ((case-fold-search t))
 376           (or (search-forward (format "\\[`%s'\\]\\|(`%s')\\|\\<The[ \n]`%s'"
 377                                       (or target thing)
 378                                       (or target thing)
 379                                       (or target thing)) nil t)
 380               (search-forward (format "`%s'" (or target thing)) nil t)
 381               (search-forward (or target thing) nil t))))
 382     (beginning-of-line)
 383     (message "Found `%s' in %s" thing where)))
 384
 385 (defun calc-view-news ()
 386   (interactive)
 387   (let ((path load-path))
 388     (while (and path
 389                 (not (file-exists-p (expand-file-name "calc.el" (car path)))))
 390       (setq path (cdr path)))
 391     (or (and path
 392              (file-exists-p (expand-file-name "README" (car path))))
 393         (error "Can't locate Calc sources"))
 394     (calc-quit)
 395     (switch-to-buffer "*Help*")
 396     (let ((inhibit-read-only t))
 397       (erase-buffer)
 398       (insert-file-contents (expand-file-name "README" (car path)))
 399       (search-forward "Summary of changes")
 400       (forward-line -1)
 401       (delete-region (point-min) (point))
 402       (goto-char (point-min)))
 403     (help-mode)))
 404
 405 (defvar calc-help-long-names '((?b . "binary/business")
 406                                (?g . "graphics")
 407                                (?j . "selection")
 408                                (?k . "combinatorics/statistics")
 409                                (?u . "units/statistics")))
 410
 411 (defun calc-full-help ()
 412   (interactive)
 413   (with-output-to-temp-buffer "*Help*"
 414     (princ (format "GNU Emacs Calculator version %s.\n"
 415                    calc-version))
 416     (princ "  By Dave Gillespie.\n")
 417     (princ (format "  %s\n\n" emacs-copyright))
 418     (princ "Type `h s' for a more detailed summary.\n")
 419     (princ "Or type `h i' to read the full Calc manual on-line.\n\n")
 420     (princ "Basic keys:\n")
 421     (let* ((calc-full-help-flag t))
 422       (mapcar (function (lambda (x) (princ (format "  %s\n" x))))
 423               (nreverse (cdr (reverse (cdr (calc-help))))))
 424       (mapcar (function (lambda (prefix)
 425                           (let ((msgs (condition-case err
 426                                           (funcall prefix)
 427                                         (error nil))))
 428                             (if (car msgs)
 429                                 (princ
 430                                  (if (eq (nth 2 msgs) ?v)
 431                                      "\n`v' or `V' prefix (vector/matrix) keys: \n"
 432                                    (if (nth 2 msgs)
 433                                        (format
 434                                         "\n`%c' prefix (%s) keys:\n"
 435                                         (nth 2 msgs)
 436                                         (or (cdr (assq (nth 2 msgs)
 437                                                        calc-help-long-names))
 438                                             (nth 1 msgs)))
 439                                      (format "\n%s-modified keys:\n"
 440                                              (capitalize (nth 1 msgs)))))))
 441                             (mapcar (function (lambda (x)
 442                                                 (princ (format "  %s\n" x))))
 443                                     (car msgs)))))
 444               '(calc-inverse-prefix-help
 445                 calc-hyperbolic-prefix-help
 446                 calc-inv-hyp-prefix-help
 447                 calc-a-prefix-help
 448                 calc-b-prefix-help
 449                 calc-c-prefix-help
 450                 calc-d-prefix-help
 451                 calc-f-prefix-help
 452                 calc-g-prefix-help
 453                 calc-h-prefix-help
 454                 calc-j-prefix-help
 455                 calc-k-prefix-help
 456                 calc-m-prefix-help
 457                 calc-r-prefix-help
 458                 calc-s-prefix-help
 459                 calc-t-prefix-help
 460                 calc-u-prefix-help
 461                 calc-v-prefix-help
 462                 calc-shift-Y-prefix-help
 463                 calc-shift-Z-prefix-help
 464                 calc-z-prefix-help)))
 465     (print-help-return-message)))
 466
 467 (defun calc-h-prefix-help ()
 468   (interactive)
 469   (calc-do-prefix-help
 470    '("Help; Bindings; Info, Tutorial, Summary; News"
 471      "describe: Key, C (briefly), Function, Variable")
 472    "help" ?h))
 473
 474 (defun calc-inverse-prefix-help ()
 475   (interactive)
 476   (calc-do-prefix-help
 477    '("I + S (arcsin), C (arccos), T (arctan); Q (square)"
 478      "I + E (ln), L (exp), B (alog: B^X); f E (lnp1), f L (expm1)"
 479      "I + F (ceiling), R (truncate); a S (invert func)"
 480      "I + a m (match-not); c h (from-hms); k n (prev prime)"
 481      "I + f G (gamma-Q); f e (erfc); k B (etc., lower-tail dists)"
 482      "I + V S (reverse sort); V G (reverse grade)"
 483      "I + v s (remove subvec); v h (tail)"
 484      "I + t + (alt sum), t M (mean with error)"
 485      "I + t S (pop std dev), t C (pop covar)")
 486    "inverse" nil))
 487
 488 (defun calc-hyperbolic-prefix-help ()
 489   (interactive)
 490   (calc-do-prefix-help
 491    '("H + S (sinh), C (cosh), T (tanh); E (exp10), L (log10)"
 492      "H + F (float floor), R (float round); P (constant \"e\")"
 493      "H + a d (total derivative); k c (permutations)"
 494      "H + k b (bern-poly), k e (euler-poly); k s (stirling-2)"
 495      "H + f G (gamma-g), f B (beta-B); v h (rhead), v k (rcons)"
 496      "H + v e (expand w/filler); V H (weighted histogram)"
 497      "H + a S (general solve eqn), j I (general isolate)"
 498      "H + a R (widen/root), a N (widen/min), a X (widen/max)"
 499      "H + t M (median), t S (variance), t C (correlation coef)"
 500      "H + c f/F/c (pervasive float/frac/clean)")
 501    "hyperbolic" nil))
 502
 503 (defun calc-inv-hyp-prefix-help ()
 504   (interactive)
 505   (calc-do-prefix-help
 506    '("I H + S (arcsinh), C (arccosh), T (arctanh)"
 507      "I H + E (log10), L (exp10); f G (gamma-G)"
 508      "I H + F (float ceiling), R (float truncate)"
 509      "I H + t S (pop variance)"
 510      "I H + a S (general invert func); v h (rtail)")
 511    "inverse-hyperbolic" nil))
 512
 513
 514 (defun calc-f-prefix-help ()
 515   (interactive)
 516   (calc-do-prefix-help
 517    '("miN, maX; Hypot; Im, Re; Sign; [, ] (incr/decr)"
 518      "Gamma, Beta, Erf, besselJ, besselY"
 519      "SHIFT + int-sQrt; Int-log, Exp(x)-1, Ln(x+1); arcTan2"
 520      "SHIFT + Abssqr; Mantissa, eXponent, Scale"
 521      "SHIFT + incomplete: Gamma-P, Beta-I")
 522    "functions" ?f))
 523
 524
 525 (defun calc-s-prefix-help ()
 526   (interactive)
 527   (calc-do-prefix-help
 528    '("Store, inTo, Xchg, Unstore; Recall, 0-9; : (:=); = (=>)"
 529      "Let; Copy, K=copy constant; Declare; Insert, Perm; Edit"
 530      "Negate, +, -, *, /, ^, &, |, [, ]; Map"
 531      "SHIFT + Decls, GenCount, TimeZone, Holidays; IntegLimit"
 532      "SHIFT + LineStyles, PointStyles, plotRejects; Units"
 533      "SHIFT + Eval-, AlgSimp-, ExtSimp-, FitRules")
 534    "store" ?s))
 535
 536 (defun calc-r-prefix-help ()
 537   (interactive)
 538   (calc-do-prefix-help
 539    '("digits 0-9: recall, same as `s r 0-9'")
 540    "recall" ?r))
 541
 542
 543 (defun calc-j-prefix-help ()
 544   (interactive)
 545   (calc-do-prefix-help
 546    '("Select, Additional, Once; eVal, Formula; Rewrite"
 547      "More, Less, 1-9, Next, Previous"
 548      "Unselect, Clear; Display; Enable; Breakable"
 549      "' (replace), ` (edit), +, -, *, /, RET (grab), DEL"
 550      "SHIFT + swap: Left, Right; maybe: Select, Once"
 551      "SHIFT + Commute, Merge, Distrib, jump-Eqn, Isolate"
 552      "SHIFT + Negate, & (invert); Unpack")
 553    "select" ?j))
 554
 555
 556 (defun calc-a-prefix-help ()
 557   (interactive)
 558   (calc-do-prefix-help
 559    '("Simplify, Extended-simplify, eVal; \" (exp-formula)"
 560      "eXpand, Collect, Factor, Apart, Norm-rat"
 561      "GCD, /, \\, % (polys); Polint"
 562      "Derivative, Integral, Taylor; _ (subscr)"
 563      "suBstitute; Rewrite, Match"
 564      "SHIFT + Solve; Root, miN, maX; Poly-roots; Fit"
 565      "SHIFT + Map; Tabulate, + (sum), * (prod); num-Integ"
 566      "relations: =, # (not =), <, >, [ (< or =), ] (> or =)"
 567      "logical: & (and), | (or), ! (not); : (if)"
 568      "misc: { (in-set); . (rmeq)")
 569    "algebra" ?a))
 570
 571
 572 (defun calc-b-prefix-help ()
 573   (interactive)
 574   (calc-do-prefix-help
 575    '("And, Or, Xor, Diff, Not; Wordsize, Clip"
 576      "Lshift, Rshift, roTate; SHIFT + signed Lshift, Rshift"
 577      "SHIFT + business: Pv, Npv, Fv, pMt, #pmts, raTe, Irr"
 578      "SHIFT + business: Sln, sYd, Ddb; %ch")
 579    "binary/bus" ?b))
 580
 581
 582 (defun calc-c-prefix-help ()
 583   (interactive)
 584   (calc-do-prefix-help
 585    '("Deg, Rad, HMS; Float; Polar/rect; Clean, 0-9; %"
 586      "SHIFT + Fraction")
 587    "convert" ?c))
 588
 589
 590 (defun calc-d-prefix-help ()
 591   (interactive)
 592   (calc-do-prefix-help
 593    '("Group, \",\"; Normal, Fix, Sci, Eng, \".\"; Over"
 594      "Radix, Zeros, 2, 8, 0, 6; Hms; Date; Complex, I, J"
 595      "Why; Line-nums, line-Breaks; <, =, > (justify); Plain"
 596      "\" (strings); Truncate, [, ]; SPC (refresh), RET, @"
 597      "SHIFT + language: Normal, One-line, Big, Unformatted"
 598      "SHIFT + language: C, Pascal, Fortran; TeX, LaTeX, Eqn"
 599      "SHIFT + language: Mathematica, W=Maple")
 600    "display" ?d))
 601
 602
 603 (defun calc-g-prefix-help ()
 604   (interactive)
 605   (calc-do-prefix-help
 606    '("Fast; Add, Delete, Juggle; Plot, Clear; Quit"
 607      "Header, Name, Grid, Border, Key; View-commands, X-display"
 608      "x-axis: Range, Title, Log, Zero; lineStyle"
 609      "SHIFT + y-axis: Range, Title, Log, Zero; pointStyle"
 610      "SHIFT + Print; Device, Output-file; X-geometry"
 611      "SHIFT + Num-pts; Command, Kill, View-trail"
 612      "SHIFT + 3d: Fast, Add; CTRL + z-axis: Range, Title, Log")
 613    "graph" ?g))
 614
 615
 616 (defun calc-k-prefix-help ()
 617   (interactive)
 618   (calc-do-prefix-help
 619    '("GCD, LCM; Choose (binomial), Double-factorial"
 620      "Random, random-Again, sHuffle"
 621      "Factors, Prime-test, Next-prime, Totient, Moebius"
 622      "Bernoulli, Euler, Stirling"
 623      "SHIFT + Extended-gcd"
 624      "SHIFT + dists: Binomial, Chi-square, F, Normal"
 625      "SHIFT + dists: Poisson, student's-T")
 626    "combinatorics" ?k))
 627
 628
 629 (defun calc-m-prefix-help ()
 630   (interactive)
 631   (calc-do-prefix-help
 632    '("Deg, Rad, HMS; Frac; Polar; Inf; Alg, Total; Symb; Vec/mat"
 633      "Working; Xtensions; Mode-save; preserve Embedded modes"
 634      "SHIFT + Shifted-prefixes, mode-Filename; Record; reCompute"
 635      "SHIFT + simplify: Off, Num, Default, Bin, Alg, Ext, Units")
 636    "mode" ?m))
 637
 638
 639 (defun calc-t-prefix-help ()
 640   (interactive)
 641   (calc-do-prefix-help
 642    '("Display; Fwd, Back; Next, Prev, Here, [, ]; Yank"
 643      "Search, Rev; In, Out; <, >; Kill; Marker; . (abbrev)"
 644      "SHIFT + time: Now; Part; Date, Julian, Unix, Czone"
 645      "SHIFT + time: newWeek, newMonth, newYear; Incmonth"
 646      "SHIFT + time: +, - (business days)"
 647      "digits 0-9: store-to, same as `s t 0-9'")
 648    "trail/time" ?t))
 649
 650
 651 (defun calc-u-prefix-help ()
 652   (interactive)
 653   (calc-do-prefix-help
 654    '("Simplify, Convert, Temperature-convert, Base-units"
 655      "Autorange; Remove, eXtract; Explain; View-table; 0-9"
 656      "Define, Undefine, Get-defn, Permanent"
 657      "SHIFT + View-table-other-window"
 658      "SHIFT + stat: Mean, G-mean, Std-dev, Covar, maX, miN"
 659      "SHIFT + stat: + (sum), - (asum), * (prod), # (count)")
 660    "units/stat" ?u))
 661
 662
 663 (defun calc-v-prefix-help ()
 664   (interactive)
 665   (calc-do-prefix-help
 666    '("Pack, Unpack, Identity, Diagonal, indeX, Build"
 667      "Row, Column, Subvector; Length; Find; Mask, Expand"
 668      "Tranpose, Arrange, reVerse; Head, Kons; rNorm"
 669      "SHIFT + Det, & (inverse), LUD, Trace, conJtrn, Cross"
 670      "SHIFT + Sort, Grade, Histogram; cNorm"
 671      "SHIFT + Apply, Map, Reduce, accUm, Inner-, Outer-prod"
 672      "SHIFT + sets: V (union), ^ (intersection), - (diff)"
 673      "SHIFT + sets: Xor, ~ (complement), Floor, Enum"
 674      "SHIFT + sets: : (span), # (card), + (rdup)"
 675      "<, =, > (justification); , (commas); [, {, ( (brackets)"
 676      "} (matrix brackets); . (abbreviate); / (multi-lines)")
 677    "vec/mat" ?v))
 678
 679 (provide 'calc-help)
 680
 681 ;; arch-tag: 2d347593-7591-449e-a64a-93dab5f2f686
 682 ;;; calc-help.el ends here