Hp 39g Graphing Calculator Manual do Utilizador descarregar pdf (Página 158)

QUOTE

{where)

Encloses an expression that should not be evaluated

numerically.

QUOTE (expression)

Examples

QUOTE (SIN (45) ) SM3f1 (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*xHE3f1 (X) puts the

expression X^3_2*X into F1(X) in the Function aplet.

Evaluates expression where each given variable is set to the

given value. Defines numeric evaluation of a symbolic

expression.

expression\{variableI =valuel, variah!e2=value2,...)

Example

3*(X+1) I (X=3) returns 12.

Test functions

10-20

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.

valuel<value2

Less than or equal to. Returns I if true, 0 if false.

value l<value2

Equals (logical test). Returns 1 if true, 0 if false.

valuel==value2

Not equal to. Returns 1 if true, 0 if false.

valuel^value2

Greater than. Returns 1 if true, 0 if false.

value! >value2

Greater than or equal to. Returns 1 if true, 0 if false.

value l>vatue2

Using mathematical functions

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