Texas Instruments TI-89 Developer's Guide

1250
Appendix B: Global Variables — Math
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
FloatHalfIndex
Declaration:
EStackIndex
FloatHalfIndex
Category(ies):
Math
Description:
EStackIndex of the stored constant float 0.5.
Inputs:
Not applicable.
Outputs:
Not applicable.
Assumptions:
Not applicable.
Side Effects:
Not applicable.
Availability:
On AMS 2.04 and higher.
TI-89 / TI-92 Plus
Differences:
None
See Also: Float0Index, Float1Index, FloatExp1Index, FloatMinus1Index,
FloatPiIndex
Example:
push_expression (FloatHalfIndex);
Pushes a float 0.5 onto the estack such that
top_estack
points to the bolded tag as follows.
0x3F 0xFF 0x50 0x00 0x00 0x00 0x00 0x00 0x00
FLOAT_TAG

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA