MathAction InputForm

Topics

Domain of parsed forms which can be passed to the interpreter. This is also the interface between algebra code and facilities in the interpreter.

Test parse and 'unparse':

fricas

parse("sin x + 1")$InputForm

$\label{eq1}\left(+ \ {\left(\sin \ x \right)}\ 1 \right)$

Type: InputForm

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unparse(parse("sin x + 1")$InputForm)

$\label{eq2}\verb#"sin(x)+1"#$

Type: String

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-- syntax error gives empty result
null? parse("sin(x + 1")$InputForm

$\label{eq3} \mbox{\rm true}$

Type: Boolean