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author | Jay Belanger <jay.p.belanger@gmail.com> | 2005-05-14 00:53:40 +0000 |
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committer | Jay Belanger <jay.p.belanger@gmail.com> | 2005-05-14 00:53:40 +0000 |
commit | f317f9ca3148c35725268911f69a460945bb0425 (patch) | |
tree | a31462e12b4dc5cd39a31156288f6fa7807112da /man/calc.texi | |
parent | 40a8993a0ac5349b0bfcdd51e06816cd3973721e (diff) | |
download | emacs-f317f9ca3148c35725268911f69a460945bb0425.tar.gz |
(Default Simplifications): Mention 0^0=1.
Diffstat (limited to 'man/calc.texi')
-rw-r--r-- | man/calc.texi | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/man/calc.texi b/man/calc.texi index 97f06047773..94d2237ee67 100644 --- a/man/calc.texi +++ b/man/calc.texi @@ -22660,11 +22660,10 @@ to @expr{a / (c - b)}, and @expr{(a - b) / (-c)} to @expr{(b - a) / c}. The formula @expr{x^0} is simplified to @expr{1}, or to @samp{idn(1)} in Matrix mode. The formula @expr{0^x} is simplified to @expr{0} -unless @expr{x} is a negative number or complex number, in which -case the result is an infinity or an unsimplified formula according -to the current infinite mode. Note that @expr{0^0} is an -indeterminate form, as evidenced by the fact that the simplifications -for @expr{x^0} and @expr{0^x} conflict when @expr{x=0}. +unless @expr{x} is a negative number, complex number or zero. +If @expr{x} is negative, complex or @expr{0.0}, @expr{0^x} is an +infinity or an unsimplified formula according to the current infinite +mode. The expression @expr{0^0} is simplified to @expr{1}. Powers of products or quotients @expr{(a b)^c}, @expr{(a/b)^c} are distributed to @expr{a^c b^c}, @expr{a^c / b^c} only if @expr{c} |