A Appendix A: Functions And Instructions - Texas Instruments TI-89 Titanium Short User Manual

Appendix A:
Functions and Instructions
This section describes the syntax and action of each TI-89 Titanium/ Voyage™ 200 function and instruction
that is included in the operating system (OS). See modules relating to calculator software applications (Apps)
for functions and instructions specific to those Apps.
Name of the function or instruction.
Circle
CATALOG
x y
Circle ,
Draws a circle with its center at window
coordinates (
,
x y
If
drawMode
If
drawMode
If drawMode
Note: Regraphing erases all drawn items.
Syntax line shows the order and the type of
arguments that you supply. Be sure to separate
multiple arguments with a comma (
Appendix A: Functions and Instructions
Quick-Find Locator ......................................................................................... 150
Alphabetical Listing of Operations ................................................................. 154
Key or menu for entering the name.
You can also type the name.
r drawMode
, [, ]
,
) and with a radius of
x y
, and must be real values.
r
= 1, draws the circle (default).
= 0, turns off the circle.
= -1, inverts pixels along the circle.
Arguments are shown in italics.
Arguments in [ ] brackets are
optional. Do not type the brackets.
In a ZoomSqr viewing window:
ZoomSqr:Circle 1,2,3 ¸
r
.
Explanation of the function or
instruction.
,
).
A
Example
149