26 Alphabetical Listing
cFactor()
Catalog >
cFactor(Expr1,Var) returns Expr1 factored
with respect to variable Var.
Expr1 is factored as much as possible
toward factors that are linear in Var, with
perhaps non-real constants, even if it
introduces irrational constants or
subexpressions that are irrational in other
variables.
The factors and their terms are sorted with
Var as the main variable. Similar powers of
Var are collected in each factor. Include
Var if factorization is needed with respect
to only that variable and you are willing to
accept irrational expressions in any other
variables to increase factorization with
respect to Var. There might be some
incidental factoring with respect to other
variables.
For the Auto setting of the Auto or
Approximate mode, including Var also
permits approximation with floating-point
coefficients where irrational coefficients
cannot be explicitly expressed concisely in
terms of the built-in functions. Even when
there is only one variable, including Var
might yield more complete factorization.
Note: See also factor().
To see the entire result, press £ and then
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char()
Catalog >
char(Integer) ⇒ character
Returns a character string containing the
character numbered Integer from the
handheld character set. The valid range for
Integer is 0–65535.
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