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Texas Instruments TI-84 Plus Guide Book

Texas Instruments TI-84 Plus
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Chapter 2: Math, Angle, and Test Operations 63
Variables in the equation are listed in the order in which they appear in the
equation. Any values stored to the listed variables also are displayed.
The default lower and upper bounds appear in the last line of the editor
(
bound={L1â99,1â99}).
•A $ is displayed in the first column of the bottom line if the editor continues
beyond the screen.
Note: To use the solver to solve an equation such as K=.5MV
2
, enter eqn:0=KN.5MV
2
in
the equation editor.
Entering and Editing Variable Values
Entering and Editing Variable ValuesEntering and Editing Variable Values
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 Y1 or r6, 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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Texas Instruments TI-84 Plus Specifications

General IconGeneral
Battery typeAAA
Power sourceBattery
Number of batteries supported4
TypeGraphing
CoverNo
Form factorPocket
Control typeButtons
Product colorBlack
USB portYes
USB 2.0 ports quantity1
Digits- digits
Display number of lines8 lines
Display number of characters16
RAM capacity0.024 MB
ROM capacity0.480 MB
Storage media type-

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