From: Jay Belanger Date: Sun, 30 Aug 2009 02:42:35 +0000 (+0000) Subject: (Simplifying Formulas): Improve the wording. X-Git-Tag: emacs-pretest-23.1.90~1593 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=744256cf1b1113a67f0c176adbbcf7d1839d6762;p=emacs.git (Simplifying Formulas): Improve the wording. --- diff --git a/doc/misc/ChangeLog b/doc/misc/ChangeLog index dc39384e346..e767e12f3fb 100644 --- a/doc/misc/ChangeLog +++ b/doc/misc/ChangeLog @@ -1,3 +1,7 @@ +2009-08-30 Jay Belanger + + * calc.texi (Simplifying Formulas): Improve the wording. + 2009-08-29 Teodor Zlatanov * auth.texi: Rewritten for coverage and clarity. diff --git a/doc/misc/calc.texi b/doc/misc/calc.texi index f56c0b8c27b..672288e9173 100644 --- a/doc/misc/calc.texi +++ b/doc/misc/calc.texi @@ -22328,10 +22328,10 @@ complicated trigonometric expressions. For example, while @kbd{a s} can reduce @samp{sin(x) csc(x)} to @samp{1}, it will not simplify @samp{sin(x)^2 csc(x)}. The command @kbd{I a s} can be used to simplify this latter expression; it will transform @samp{sin(x)^2 -csc(x)} into @samp{sin(x)}. However, @kbd{I a s} will also perform some -``simplifications'' which may not be desired; for example, it will -transform @samp{tan(x)^2} into @samp{sin(x)^2 / cos(x)^2}. -Similar to the @kbd{I} prefix, the Hyperbolic prefix @kbd{H} will +csc(x)} into @samp{sin(x)}. However, @kbd{I a s} will also perform +some ``simplifications'' which may not be desired; for example, it +will transform @samp{tan(x)^2} into @samp{sin(x)^2 / cos(x)^2}. The +Hyperbolic prefix @kbd{H} can be used similarly; the @kbd{H a s} will replace any hyperbolic functions in the formula with the appropriate combinations of @samp{sinh}s and @samp{cosh}s before simplifying.