10026 |
@kindex h f |
@kindex h f |
10027 |
@pindex calc-describe-function |
@pindex calc-describe-function |
10028 |
The @kbd{h f} (@code{calc-describe-function}) command looks up an |
The @kbd{h f} (@code{calc-describe-function}) command looks up an |
10029 |
algebraic function or a command name in the Calc manual. The |
algebraic function or a command name in the Calc manual. Enter an |
|
prompt initially contains @samp{calcFunc-}; follow this with an |
|
10030 |
algebraic function name to look up that function in the Function |
algebraic function name to look up that function in the Function |
10031 |
Index. Or, backspace and enter a command name beginning with |
Index or enter a command name beginning with @samp{calc-} to look it |
10032 |
@samp{calc-} to look it up in the Command Index. This command |
up in the Command Index. This command will also look up operator |
10033 |
will also look up operator symbols that can appear in algebraic |
symbols that can appear in algebraic formulas, like @samp{%} and |
10034 |
formulas, like @samp{%} and @samp{=>}. |
@samp{=>}. |
10035 |
|
|
10036 |
@kindex h v |
@kindex h v |
10037 |
@pindex calc-describe-variable |
@pindex calc-describe-variable |
10038 |
The @kbd{h v} (@code{calc-describe-variable}) command looks up a |
The @kbd{h v} (@code{calc-describe-variable}) command looks up a |
10039 |
variable in the Calc manual. The prompt initially contains the |
variable in the Calc manual. Enter a variable name like @code{pi} or |
|
@samp{var-} prefix; just add a variable name like @code{pi} or |
|
10040 |
@code{PlotRejects}. |
@code{PlotRejects}. |
10041 |
|
|
10042 |
@kindex h b |
@kindex h b |
21979 |
The most basic default simplification is the evaluation of functions. |
The most basic default simplification is the evaluation of functions. |
21980 |
For example, @cite{2 + 3} is evaluated to @cite{5}, and @cite{@t{sqrt}(9)} |
For example, @cite{2 + 3} is evaluated to @cite{5}, and @cite{@t{sqrt}(9)} |
21981 |
is evaluated to @cite{3}. Evaluation does not occur if the arguments |
is evaluated to @cite{3}. Evaluation does not occur if the arguments |
21982 |
to a function are somehow of the wrong type (@cite{@t{tan}([2,3,4])}, |
to a function are somehow of the wrong type (@cite{@t{tan}([2,3,4])}), |
21983 |
range (@cite{@t{tan}(90)}), or number (@cite{@t{tan}(3,5)}), or if the |
range (@cite{@t{tan}(90)}), or number (@cite{@t{tan}(3,5)}), or if the |
21984 |
function name is not recognized (@cite{@t{f}(5)}), or if ``symbolic'' |
function name is not recognized (@cite{@t{f}(5)}), or if ``symbolic'' |
21985 |
mode (@pxref{Symbolic Mode}) prevents evaluation (@cite{@t{sqrt}(2)}). |
mode (@pxref{Symbolic Mode}) prevents evaluation (@cite{@t{sqrt}(2)}). |