Calculator User Manual

Basic Function Graphing 304

•Use the ‡ Math toolbar menu to find a zero, minimum, maximum, etc.

Setting the Graph Mode

Setting the Graph ModeSetting the Graph Mode

Setting the Graph Mode

Before graphing y(x) functions, you must select FUNCTION graphing. You may also

need to set the Angle mode, which affects how the TI-89 Titanium graphs trigonometric

functions.

Graph Mode

Graph ModeGraph Mode

Graph Mode

2. Set the Graph mode to

FUNCTION. Refer to “Setting Modes” in Operating the

Calculator.

For graphs that do not use complex numbers, set

Complex Format = REAL.

Otherwise, it may affect graphs that use powers, such as

1/3

While this module specifically describes

y(x) function graphs, the calculator lets you

select from six Graph mode settings.

1. Press 3 to display the

MODE dialog

box, which shows the current mode

settings.

Graph Mode Setting Description

FUNCTION y(x) functions

PARAMETRIC x(t) and y(t) parametric equations