10-20 Using mathematical functions
QUOTE Encloses an expression that should not be evaluated
numerically.
QUOTE(expression)
Examples
QUOTE(SIN(45))
672?_
F1(X) stores the expression
SIN(45) rather than the value of SIN(45).
Another method is to enclose the expression in single
quotes.
For example, X^3+2*X
672?_
F1(X) puts the
expression X^3_2*X into F1(X) in the Function aplet.
| (
where
) Evaluates expression where each given variable is set to the
given value. Defines numeric evaluation of a symbolic
expression.
expression|(variable1=value1, variable2=value2,...)
Example
3*(X+1)|(X=3) returns 12.
Test functions
The test functions are logical operators that always return
either a 1 (true) or a 0 (false).
< Less than. Returns 1 if true, 0 if false.
value1<value2
≤ Less than or equal to. Returns 1 if true, 0 if false.
value1≤value2
= = Equals (logical test). Returns 1 if true, 0 if false.
value1==value2
≠ Not equal to. Returns 1 if true, 0 if false.
value1≠value2
> Greater than. Returns 1 if true, 0 if false.
value1>value2
≥ Greater than or equal to. Returns 1 if true, 0 if false.
value1≥value2
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