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revision 1.39 by jpb, Sat Jan 8 06:17:44 2005 UTC revision 1.40 by jpb, Sat Jan 8 20:45:53 2005 UTC
# Line 12247  the @emph{appearance} or @emph{interpret Line 12247  the @emph{appearance} or @emph{interpret
12247  @cindex Continuous memory  @cindex Continuous memory
12248  @cindex Saving mode settings  @cindex Saving mode settings
12249  @cindex Permanent mode settings  @cindex Permanent mode settings
12250  @cindex @file{.emacs} file, mode settings  @cindex Calc init file, mode settings
12251  You can save all of the current mode settings in your @file{.emacs} file  You can save all of the current mode settings in your Calc init file
12252  with the @kbd{m m} (@code{calc-save-modes}) command.  This will cause  (the file given by the variable @code{calc-settings-file}, typically
12253  Emacs to reestablish these modes each time it starts up.  The modes saved  @file{~/.calc.el}) with the @kbd{m m} (@code{calc-save-modes}) command.
12254  in the file include everything controlled by the @kbd{m} and @kbd{d}  This will cause Emacs to reestablish these modes each time it starts up.
12255  prefix keys, the current precision and binary word size, whether or not  The modes saved in the file include everything controlled by the @kbd{m}
12256  the trail is displayed, the current height of the Calc window, and more.  and @kbd{d} prefix keys, the current precision and binary word size,
12257  The current interface (used when you type @kbd{M-# M-#}) is also saved.  whether or not the trail is displayed, the current height of the Calc
12258  If there were already saved mode settings in the file, they are replaced.  window, and more.  The current interface (used when you type @kbd{M-#
12259  Otherwise, the new mode information is appended to the end of the file.  M-#}) is also saved.  If there were already saved mode settings in the
12260    file, they are replaced.  Otherwise, the new mode information is
12261    appended to the end of the file.
12262    
12263  @kindex m R  @kindex m R
12264  @pindex calc-mode-record-mode  @pindex calc-mode-record-mode
# Line 15872  No line breaking (@kbd{d b}). Line 15874  No line breaking (@kbd{d b}).
15874  Selections show deep structure (@kbd{j b}; @pxref{Making Selections}).  Selections show deep structure (@kbd{j b}; @pxref{Making Selections}).
15875    
15876  @item Save  @item Save
15877  Record modes in @file{~/.emacs} (@kbd{m R}; @pxref{General Mode Commands}).  Record modes in @file{~/.calc.el} (@kbd{m R}; @pxref{General Mode Commands}).
15878    
15879  @item Local  @item Local
15880  Record modes in Embedded buffer (@kbd{m R}).  Record modes in Embedded buffer (@kbd{m R}).
# Line 27759  possible to create user-defined temperat Line 27761  possible to create user-defined temperat
27761    
27762  @kindex u p  @kindex u p
27763  @pindex calc-permanent-units  @pindex calc-permanent-units
27764  @cindex @file{.emacs} file, user-defined units  @cindex Calc init file, user-defined units
27765  The @kbd{u p} (@code{calc-permanent-units}) command stores the user-defined  The @kbd{u p} (@code{calc-permanent-units}) command stores the user-defined
27766  units in your @file{.emacs} file, so that the units will still be  units in your Calc init file (the file given by the variable
27767  available in subsequent Emacs sessions.  If there was already a set of  @code{calc-settings-file}, typically @file{~/.calc.el}), so that the
27768  user-defined units in your @file{.emacs} file, it is replaced by the  units will still be available in subsequent Emacs sessions.  If there
27769  new set.  (@xref{General Mode Commands}, for a way to tell Calc to use  was already a set of user-defined units in your Calc init file, it
27770  a different file instead of @file{.emacs}.)  is replaced by the new set.  (@xref{General Mode Commands}, for a way to
27771    tell Calc to use a different file for the Calc init file.)
27772    
27773  @node Store and Recall, Graphics, Units, Top  @node Store and Recall, Graphics, Units, Top
27774  @chapter Storing and Recalling  @chapter Storing and Recalling
# Line 28150  names rather than prompting for the vari Line 28153  names rather than prompting for the vari
28153  @pindex calc-permanent-variable  @pindex calc-permanent-variable
28154  @cindex Storing variables  @cindex Storing variables
28155  @cindex Permanent variables  @cindex Permanent variables
28156  @cindex @file{.emacs} file, variables  @cindex Calc init file, variables
28157  The @kbd{s p} (@code{calc-permanent-variable}) command saves a  The @kbd{s p} (@code{calc-permanent-variable}) command saves a
28158  variable's value permanently in your @file{.emacs} file, so that its  variable's value permanently in your Calc init file (the file given by
28159  value will still be available in future Emacs sessions.  You can  the variable @code{calc-settings-file}, typically @file{~/.calc.el}), so
28160  re-execute @w{@kbd{s p}} later on to update the saved value, but the  that its value will still be available in future Emacs sessions.  You
28161  only way to remove a saved variable is to edit your @file{.emacs} file  can re-execute @w{@kbd{s p}} later on to update the saved value, but the
28162    only way to remove a saved variable is to edit your calc init file
28163  by hand.  (@xref{General Mode Commands}, for a way to tell Calc to  by hand.  (@xref{General Mode Commands}, for a way to tell Calc to
28164  use a different file instead of @file{.emacs}.)  use a different file for the Calc init file.)
28165    
28166  If you do not specify the name of a variable to save (i.e.,  If you do not specify the name of a variable to save (i.e.,
28167  @kbd{s p @key{RET}}), all Calc variables with defined values  @kbd{s p @key{RET}}), all Calc variables with defined values
# Line 28176  the values of all Calc variables into a Line 28180  the values of all Calc variables into a
28180  The variables are written with the prefix @code{var-} in the form of  The variables are written with the prefix @code{var-} in the form of
28181  Lisp @code{setq} commands  Lisp @code{setq} commands
28182  which store the values in string form.  You can place these commands  which store the values in string form.  You can place these commands
28183  in your @file{.emacs} buffer if you wish, though in this case it  in your Calc init file (or @file{.emacs}) if you wish, though in this case it
28184  would be easier to use @kbd{s p @key{RET}}.  (Note that @kbd{s i}  would be easier to use @kbd{s p @key{RET}}.  (Note that @kbd{s i}
28185  omits the same set of variables as @w{@kbd{s p @key{RET}}}; the difference  omits the same set of variables as @w{@kbd{s p @key{RET}}}; the difference
28186  is that @kbd{s i} will store the variables in any buffer, and it also  is that @kbd{s i} will store the variables in any buffer, and it also
# Line 28363  Software Foundation's machine @samp{prep Line 28367  Software Foundation's machine @samp{prep
28367  @vindex calc-gnuplot-name  @vindex calc-gnuplot-name
28368  If you have GNUPLOT installed on your system but Calc is unable to  If you have GNUPLOT installed on your system but Calc is unable to
28369  find it, you may need to set the @code{calc-gnuplot-name} variable  find it, you may need to set the @code{calc-gnuplot-name} variable
28370  in your @file{.emacs} file.  You may also need to set some Lisp  in your Calc init file or @file{.emacs}.  You may also need to set some Lisp
28371  variables to show Calc how to run GNUPLOT on your system; these  variables to show Calc how to run GNUPLOT on your system; these
28372  are described under @kbd{g D} and @kbd{g O} below.  If you are  are described under @kbd{g D} and @kbd{g O} below.  If you are
28373  using the X window system, Calc will configure GNUPLOT for you  using the X window system, Calc will configure GNUPLOT for you
# Line 30418  on it in order to get it to notice the n Line 30422  on it in order to get it to notice the n
30422    
30423  Two more mode-recording modes selectable by @kbd{m R} are @code{Save}  Two more mode-recording modes selectable by @kbd{m R} are @code{Save}
30424  (which works even outside of Embedded mode), in which mode settings  (which works even outside of Embedded mode), in which mode settings
30425  are recorded permanently in your Emacs startup file @file{~/.emacs}  are recorded permanently in your Calc init file (the file given by the
30426    variable @code{calc-settings-file}, typically @file{~/.calc.el})
30427  rather than by annotating the current document, and no-recording  rather than by annotating the current document, and no-recording
30428  mode (where there is no symbol like @code{Save} or @code{Local} in  mode (where there is no symbol like @code{Save} or @code{Local} in
30429  the mode line), in which mode-changing commands do not leave any  the mode line), in which mode-changing commands do not leave any
# Line 30434  for @code{Save} have no effect. Line 30439  for @code{Save} have no effect.
30439  You can modify Embedded mode's behavior by setting various Lisp  You can modify Embedded mode's behavior by setting various Lisp
30440  variables described here.  Use @kbd{M-x set-variable} or  variables described here.  Use @kbd{M-x set-variable} or
30441  @kbd{M-x edit-options} to adjust a variable on the fly, or  @kbd{M-x edit-options} to adjust a variable on the fly, or
30442  put a suitable @code{setq} statement in your @file{~/.emacs}  put a suitable @code{setq} statement in your Calc init file (or
30443  file to set a variable permanently.  (Another possibility would  @file{~/.emacs}) to set a variable permanently.  (Another possibility would
30444  be to use a file-local variable annotation at the end of the  be to use a file-local variable annotation at the end of the
30445  file; @pxref{File Variables, , Local Variables in Files, emacs, the  file; @pxref{File Variables, , Local Variables in Files, emacs, the
30446  Emacs manual}.)  Emacs manual}.)
# Line 30673  key we defined above. Line 30678  key we defined above.
30678  @pindex calc-user-define-permanent  @pindex calc-user-define-permanent
30679  @cindex Storing user definitions  @cindex Storing user definitions
30680  @cindex Permanent user definitions  @cindex Permanent user definitions
30681  @cindex @file{.emacs} file, user-defined commands  @cindex Calc init file, user-defined commands
30682  The @kbd{Z P} (@code{calc-user-define-permanent}) command makes a key  The @kbd{Z P} (@code{calc-user-define-permanent}) command makes a key
30683  binding permanent so that it will remain in effect even in future Emacs  binding permanent so that it will remain in effect even in future Emacs
30684  sessions.  (It does this by adding a suitable bit of Lisp code into  sessions.  (It does this by adding a suitable bit of Lisp code into
30685  your @file{.emacs} file.)  For example, @kbd{Z P s} would register  your Calc init file; that is, the file given by the variable
30686  our @code{sincos} command permanently.  If you later wish to unregister  @code{calc-settings-file}, typically @file{~/.calc.el}.)  For example,
30687  this command you must edit your @file{.emacs} file by hand.  @kbd{Z P s} would register our @code{sincos} command permanently.  If
30688  (@xref{General Mode Commands}, for a way to tell Calc to use a  you later wish to unregister this command you must edit your Calc init
30689  different file instead of @file{.emacs}.)  file by hand.  (@xref{General Mode Commands}, for a way to tell Calc to
30690    use a different file for the Calc init file.)
30691    
30692  The @kbd{Z P} command also saves the user definition, if any, for the  The @kbd{Z P} command also saves the user definition, if any, for the
30693  command bound to the key.  After @kbd{Z F} and @kbd{Z C}, a given user  command bound to the key.  After @kbd{Z F} and @kbd{Z C}, a given user
# Line 31396  step of @code{myfact} could have been wr Line 31402  step of @code{myfact} could have been wr
31402  :"n * myfact(n-1)"  :"n * myfact(n-1)"
31403  @end example  @end example
31404    
31405    A good place to put your @code{defmath} commands is your Calc init file
31406    (the file given by @code{calc-settings-file}, typically
31407    @file{~/.calc.el}), which will not be loaded until Calc starts.
31408  If a file named @file{.emacs} exists in your home directory, Emacs reads  If a file named @file{.emacs} exists in your home directory, Emacs reads
31409  and executes the Lisp forms in this file as it starts up.  While it may  and executes the Lisp forms in this file as it starts up.  While it may
31410  seem like a good idea to put your favorite @code{defmath} commands here,  seem reasonable to put your favorite @code{defmath} commands there,
31411  this has the unfortunate side-effect that parts of the Calculator must be  this has the unfortunate side-effect that parts of the Calculator must be
31412  loaded in to process the @code{defmath} commands whether or not you will  loaded in to process the @code{defmath} commands whether or not you will
31413  actually use the Calculator!  A better effect can be had by writing  actually use the Calculator!  If you want to put the @code{defmath}
31414    commands there (for example, if you redefine @code{calc-settings-file}
31415    to be @file{.emacs}), a better effect can be had by writing
31416    
31417  @example  @example
31418  (put 'calc-define 'thing '(progn  (put 'calc-define 'thing '(progn
# Line 34354  text.  (In fact it may still have leftov Line 34365  text.  (In fact it may still have leftov
34365  @defvar calc-mode-save-hook  @defvar calc-mode-save-hook
34366  This hook is called by the @code{calc-save-modes} command,  This hook is called by the @code{calc-save-modes} command,
34367  after Calc's own mode features have been inserted into the  after Calc's own mode features have been inserted into the
34368  @file{.emacs} buffer and just before the ``End of mode settings''  Calc init file and just before the ``End of mode settings''
34369  message is inserted.  message is inserted.
34370  @end defvar  @end defvar
34371    
# Line 35845  as Calc variables.  Add a @samp{var-} pr Line 35856  as Calc variables.  Add a @samp{var-} pr
35856  corresponding Lisp variable.  corresponding Lisp variable.
35857    
35858  The remaining variables are Lisp variables suitable for @code{setq}ing  The remaining variables are Lisp variables suitable for @code{setq}ing
35859  in your @file{.emacs} file.  in your Calc init file or @file{.emacs} file.
35860    
35861  @printindex vr  @printindex vr
35862    

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