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revision 1.9 by eliz, Fri Jan 4 11:35:55 2002 UTC revision 1.10 by pj, Sat Jan 12 15:55:15 2002 UTC
# Line 2532  Calc does many of its internal calculati Line 2532  Calc does many of its internal calculati
2532  precision, but it doesn't always bump the precision up enough.  precision, but it doesn't always bump the precision up enough.
2533  In each case, Calc added about two digits of precision during  In each case, Calc added about two digits of precision during
2534  its calculation and then rounded back down to 12 digits  its calculation and then rounded back down to 12 digits
2535  afterward.  In one case, it was enough; in the the other, it  afterward.  In one case, it was enough; in the other, it
2536  wasn't.  If you really need @var{x} digits of precision, it  wasn't.  If you really need @var{x} digits of precision, it
2537  never hurts to do the calculation with a few extra guard digits.  never hurts to do the calculation with a few extra guard digits.
2538    
# Line 16395  or matrix argument, these functions oper Line 16395  or matrix argument, these functions oper
16395  @kindex v p (complex)  @kindex v p (complex)
16396  @pindex calc-pack  @pindex calc-pack
16397  The @kbd{v p} (@code{calc-pack}) command can pack the top two numbers on  The @kbd{v p} (@code{calc-pack}) command can pack the top two numbers on
16398  the the stack into a composite object such as a complex number.  With  the stack into a composite object such as a complex number.  With
16399  a prefix argument of @i{-1}, it produces a rectangular complex number;  a prefix argument of @i{-1}, it produces a rectangular complex number;
16400  with an argument of @i{-2}, it produces a polar complex number.  with an argument of @i{-2}, it produces a polar complex number.
16401  (Also, @pxref{Building Vectors}.)  (Also, @pxref{Building Vectors}.)
# Line 21195  the right of the @samp{b}, the selection Line 21195  the right of the @samp{b}, the selection
21195  @noindent  @noindent
21196  The portion selected is always large enough to be considered a complete  The portion selected is always large enough to be considered a complete
21197  formula all by itself, so selecting the parenthesis selects the whole  formula all by itself, so selecting the parenthesis selects the whole
21198  formula that it encloses.  Putting the cursor on the the @samp{+} sign  formula that it encloses.  Putting the cursor on the @samp{+} sign
21199  would have had the same effect.  would have had the same effect.
21200    
21201  (Strictly speaking, the Emacs cursor is really the manifestation of  (Strictly speaking, the Emacs cursor is really the manifestation of
# Line 23738  to @kbd{a R} (@code{calc-find-root}):  Y Line 23738  to @kbd{a R} (@code{calc-find-root}):  Y
23738  guess on the stack, and are prompted for the name of a variable.  The guess  guess on the stack, and are prompted for the name of a variable.  The guess
23739  may be either a number near the desired minimum, or an interval enclosing  may be either a number near the desired minimum, or an interval enclosing
23740  the desired minimum.  The function returns a vector containing the  the desired minimum.  The function returns a vector containing the
23741  value of the the variable which minimizes the formula's value, along  value of the variable which minimizes the formula's value, along
23742  with the minimum value itself.  with the minimum value itself.
23743    
23744  Note that this command looks for a @emph{local} minimum.  Many functions  Note that this command looks for a @emph{local} minimum.  Many functions
# Line 33996  command uses this when only one stack en Line 33996  command uses this when only one stack en
33996    
33997  @defun format-value a width  @defun format-value a width
33998  Convert the Calc number or formula @var{a} to string form, using the  Convert the Calc number or formula @var{a} to string form, using the
33999  format seen in the stack buffer.  Beware the the string returned may  format seen in the stack buffer.  Beware the string returned may
34000  not be re-readable by @code{read-expr}, for example, because of digit  not be re-readable by @code{read-expr}, for example, because of digit
34001  grouping.  Multi-line objects like matrices produce strings that  grouping.  Multi-line objects like matrices produce strings that
34002  contain newline characters to separate the lines.  The @var{w}  contain newline characters to separate the lines.  The @var{w}

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