Function: calc-dispatch-help

calc-dispatch-help is an autoloaded, interactive and byte-compiled function defined in calc-misc.el.gz.

Signature

(calc-dispatch-help ARG)

Documentation

\C-x * is a prefix key sequence; follow it with one of these letters:

For turning Calc on and off:
  \C calc. Start the Calculator in a window at the bottom of the screen.
  \O calc-other-window. Start the Calculator but don't select its window.
  \B calc-big-or-small. Toggle using the full Emacs screen for Calc.
  \Q quick-calc. Use the Calculator in the minibuffer.
  \K calc-keypad. Start the Calculator in keypad mode (X window system only).
  \E calc-embedded. Use the Calculator on a formula in this editing buffer.
  \J calc-embedded-select. Like \E, but select appropriate half of => or :=.
  \W calc-embedded-word. Like \E, but activate a single word, i.e., a number.
  \Z calc-user-invocation. Invoke Calc in the way you defined with Z I cmd.
  \X calc-quit. Turn Calc off.

For moving data into and out of Calc:
  \G calc-grab-region. Grab the region defined by mark and point into Calc.
  \R calc-grab-rectangle. Grab the rectangle defined by mark, point into Calc.
  \: calc-grab-sum-down. Grab a rectangle and sum the columns.
  \_ calc-grab-sum-across. Grab a rectangle and sum the rows.
  \Y calc-copy-to-buffer. Copy a value from the stack into the editing buffer.

For use with Embedded mode:
  \A calc-embedded-activate. Find and activate all :='s and =>'s in buffer.
  \D calc-embedded-duplicate. Make a copy of this formula and select it.
  \F calc-embedded-new-formula. Insert a new formula at current point.
  \N calc-embedded-next. Advance cursor to next known formula in buffer.
  \P calc-embedded-previous. Advance cursor to previous known formula.
  \U calc-embedded-update-formula. Re-evaluate formula at point.
  \` calc-embedded-edit. Use calc-edit to edit formula at point.

Documentation:
  \I calc-info. Read the Calculator manual in the Emacs Info system.
  \T calc-tutorial. Run the Calculator Tutorial using the Emacs Info system.
  \S calc-summary. Read the Summary from the Calculator manual in Info.

Miscellaneous:
  \L calc-load-everything. Load all parts of the Calculator into memory.
  \M read-kbd-macro. Read a region of keystroke names as a keyboard macro.
  \0 (zero) calc-reset. Reset Calc stack and modes to default state.

Press \* twice (\C-x * *) to turn Calc on or off using the same Calc user interface as before (either \C-x * C or \C-x * K; initially \C-x * C).

Key Bindings

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-misc.el.gz
;;;###autoload
(defun calc-dispatch-help (arg)
  "\\`C-x *' is a prefix key sequence; follow it with one of these letters:

For turning Calc on and off:
  \\`C'  calc.  Start the Calculator in a window at the bottom of the screen.
  \\`O'  calc-other-window.  Start the Calculator but don't select its window.
  \\`B'  calc-big-or-small.  Toggle using the full Emacs screen for Calc.
  \\`Q'  quick-calc.  Use the Calculator in the minibuffer.
  \\`K'  calc-keypad.  Start the Calculator in keypad mode (X window system only).
  \\`E'  calc-embedded.  Use the Calculator on a formula in this editing buffer.
  \\`J'  calc-embedded-select.  Like \\`E', but select appropriate half of => or :=.
  \\`W'  calc-embedded-word.  Like \\`E', but activate a single word, i.e., a number.
  \\`Z'  calc-user-invocation.  Invoke Calc in the way you defined with `Z I' cmd.
  \\`X'  calc-quit.  Turn Calc off.

For moving data into and out of Calc:
  \\`G'  calc-grab-region.  Grab the region defined by mark and point into Calc.
  \\`R'  calc-grab-rectangle.  Grab the rectangle defined by mark, point into Calc.
  \\`:'  calc-grab-sum-down.  Grab a rectangle and sum the columns.
  \\`_'  calc-grab-sum-across.  Grab a rectangle and sum the rows.
  \\`Y'  calc-copy-to-buffer.  Copy a value from the stack into the editing buffer.

For use with Embedded mode:
  \\`A'  calc-embedded-activate.  Find and activate all :='s and =>'s in buffer.
  \\`D'  calc-embedded-duplicate.  Make a copy of this formula and select it.
  \\`F'  calc-embedded-new-formula.  Insert a new formula at current point.
  \\`N'  calc-embedded-next.  Advance cursor to next known formula in buffer.
  \\`P'  calc-embedded-previous.  Advance cursor to previous known formula.
  \\`U'  calc-embedded-update-formula.  Re-evaluate formula at point.
  \\``'  calc-embedded-edit.  Use calc-edit to edit formula at point.

Documentation:
  \\`I'  calc-info.  Read the Calculator manual in the Emacs Info system.
  \\`T'  calc-tutorial.  Run the Calculator Tutorial using the Emacs Info system.
  \\`S'  calc-summary.  Read the Summary from the Calculator manual in Info.

Miscellaneous:
  \\`L'  calc-load-everything.  Load all parts of the Calculator into memory.
  \\`M'  read-kbd-macro.  Read a region of keystroke names as a keyboard macro.
  \\`0'  (zero) calc-reset.  Reset Calc stack and modes to default state.

Press \\`*' twice (\\`C-x * *') to turn Calc on or off using the same
Calc user interface as before (either \\`C-x * C' or \\`C-x * K'; initially \\`C-x * C')."
  (interactive "P")
  (calc-check-defines)
  (if calc-dispatch-help
      (progn
	(save-window-excursion
	  (describe-function 'calc-dispatch-help)
	  (let ((win (get-buffer-window "*Help*")))
	    (if win
		(let (key)
		  (select-window win)
		  (while (progn
			   (message
                            (substitute-command-keys
                             (concat
                              "Calc options: \\`c'alc, \\`k'eypad, ...  "
			      "press \\`SPC', \\`DEL' to scroll, \\`C-g' to cancel")))
			   (memq (setq key (read-event))
				 '(?  ?\C-h ?\C-? ?\C-v ?\M-v)))
		    (condition-case nil
			(if (memq key '(?  ?\C-v))
			    (scroll-up)
			  (scroll-down))
		      (error (beep))))
		      (calc-unread-command key)))))
	(calc-do-dispatch nil))
    (let ((calc-dispatch-help t))
      (calc-do-dispatch arg))))