Entering and editing variable values – Texas Instruments TI-83 PLUS User Manual

Page 77

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TI-83 Plus

Math, Angle, and Test Operations

74

A

$

is displayed in the first column of the bottom line if the editor

continues beyond the screen.

Tip: To use the solver to solve an equation such as

K=.5MV

2

, enter

eqn:0=K

N

.5MV

2

in the equation editor.

Entering and Editing Variable Values

When you enter or edit a value for a variable in the interactive solver
editor, the new value is stored in memory to that variable.

You can enter an expression for a variable value. It is evaluated when
you move to the next variable. Expressions must resolve to real numbers
at each step during the iteration.

You can store equations to any

VARS Y

.

VARS

variables, such as

Y

1

or

r

6

,

and then reference the variables in the equation. The interactive solver
editor displays all variables of all

Y=

functions referenced in the equation.

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