Using solve( on the home screen or from a program – Texas Instruments TI-84 User Manual

Page 70

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Chapter 2: Math, Angle, and Test Operations

67

Using solve( on the Home Screen or from a Program

Using solve( on the Home Screen or from a Program

Using solve( on the Home Screen or from a Program

Using solve( on the Home Screen or from a Program

The function

solve(

is available only from

CATALOG

or from within a program. It returns a

solution (root) of

expression

for

variable

, given an initial

guess

, and

lower

and

upper

bounds

within which the solution is sought. The default for

lower

is

L1â99. The default for

upper

is

L1â99.

solve(

is valid only for real numbers.

solve(expression,variable,guess

[

,{lower,upper}

]

)

expression

is assumed equal to zero. The value of

variable

will not be updated in memory.

guess

may be a value or a list of two values. Values must be stored for every variable in

expression

, except

variable

, before

expression

is evaluated.

lower

and

upper

must be entered in

list format.

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