Texas Instruments TI-84 Plus Guide Book

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 ProgramUsing 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.

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-