diff options
Diffstat (limited to 'man/calc.texi')
| -rw-r--r-- | man/calc.texi | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/man/calc.texi b/man/calc.texi index 84934dfedda..6278d5a8d97 100644 --- a/man/calc.texi +++ b/man/calc.texi @@ -12186,16 +12186,18 @@ arguments from the stack. For example, after @kbd{2 @key{RET} 3 +}, the stack contains the sole number 5, but after @kbd{2 @key{RET} 3 K +}, the stack contains the arguments and the result: @samp{2 3 5}. -This works for all commands that take arguments off the stack. As -another example, @kbd{K a s} simplifies a formula, pushing the +With the exception of keyboard macros, this works for all commands that +take arguments off the stack. (To avoid potentially unpleasant behavior, +a @kbd{K} prefix before a keyboard macro will be ignored. A @kbd{K} +prefix called @emph{within} the keyboard macro will still take effect.) +As another example, @kbd{K a s} simplifies a formula, pushing the simplified version of the formula onto the stack after the original -formula (rather than replacing the original formula). - -Note that you could get the same effect by typing @kbd{@key{RET} a s}, -copying the formula and then simplifying the copy. One difference -is that for a very large formula the time taken to format the -intermediate copy in @kbd{@key{RET} a s} could be noticeable; @kbd{K a s} -would avoid this extra work. +formula (rather than replacing the original formula). Note that you +could get the same effect by typing @kbd{@key{RET} a s}, copying the +formula and then simplifying the copy. One difference is that for a very +large formula the time taken to format the intermediate copy in +@kbd{@key{RET} a s} could be noticeable; @kbd{K a s} would avoid this +extra work. Even stack manipulation commands are affected. @key{TAB} works by popping two values and pushing them back in the opposite order, @@ -12208,13 +12210,6 @@ original argument you could use either @kbd{' sin($1)} or @kbd{K ' sin($)}. @xref{Algebraic Entry}. Also, the @kbd{s s} command is effectively the same as @kbd{K s t}. @xref{Storing Variables}. -Keyboard macros may interact surprisingly with the @kbd{K} prefix. -If you have defined a keyboard macro to be, say, @samp{Q +} to add -one number to the square root of another, then typing @kbd{K X} will -execute @kbd{K Q +}, probably not what you expected. The @kbd{K} -prefix will apply to just the first command in the macro rather than -the whole macro. - If you execute a command and then decide you really wanted to keep the argument, you can press @kbd{M-@key{RET}} (@code{calc-last-args}). This command pushes the last arguments that were popped by any command |