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Texas Instruments Titanium TI-89 User Manual

Texas Instruments Titanium TI-89
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Page #471 background image
Additional Graphing Topics 471
If the Graph screen contains a function or stat plot that references the current
contents of
sysData, this command will not operate.
Graphing a Function Defined on the Home Screen
Graphing a Function Defined on the Home ScreenGraphing a Function Defined on the Home Screen
Graphing a Function Defined on the Home Screen
In many cases, you may create a function or expression on the Home screen and then
decide to graph it. You can copy an expression to the Y= Editor, or graph it directly from
the Home screen without using the Y= Editor.
What Is the “Native” Independent Variable?
What Is the “Native” Independent Variable?What Is the “Native” Independent Variable?
What Is the “Native” Independent Variable?
On the Y= Editor, all functions must be defined in terms of the current graph mode’s
“native” independent variable.
Graph Mode Native Independent Variable
Function x
Parametric t
Polar
q
Sequence n
3D x, y
Differential Equation t

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Texas Instruments Titanium TI-89 Specifications

General IconGeneral
Display TypeLCD
Display Resolution160 x 100 pixels
Memory188 KB RAM, 2.7 MB Flash ROM
TypeGraphing Calculator
DisplayMonochrome
ProcessorMotorola 68000
Processor Speed12 MHz
Power Source4 AAA batteries
ConnectivityUSB
ProgrammingTI-BASIC, Assembly
Operating SystemAMS (Advanced Mathematics Software)

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