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. Control whether to use 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.  Control whether to use 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 "Calc options: Calc, Keypad, ...  %s"
				    "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))))