Texas Instruments TI-89 Developer's Guide

1232
Appendix B: Global Variables — Graphing
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
gr_active, gr_other
(continued)
BCD16 orgtblst — Original tblStart, before any scrolling has
occurred.
BCD16 tblshift — Number of lines scrolled in table.
BCD16 tblstart — Table system variable tblStart.
BCD16 deltatbl — Table system variable
∆
tbl.
BCD16 *rngp — Pointer to current Window variables
array:
FUNCTION mode indices:
GR_XMIN — System variable xmin.
GR_XMAX
—
System variable xmax.
GR_XSCL — System variable xscl.
GR_YMIN — System variable ymin.
GR_YMAX — System variable ymax.
GR_YSCL — System variable yscl.
GR_DELTAX — System variable
∆
x.
GR_DELTAY — System variable
∆
y.
GR_XRES — System variable xres.
PARAMETRIC mode indices:
GR_XMIN — System variable xmin.
GR_XMAX — System variable xmax.
GR_XSCL — System variable xscl.
GR_YMIN — System variable ymin.
GR_YMAX — System variable ymax.
GR_YSCL — System variable yscl.
GR_DELTAX — System variable
∆
x.
GR_DELTAY — System variable
∆
y.
GR_TMIN — System variable tmin.
GR_TMAX — System variable tmax.
GR_TSTEP — System variable tstep.
POLAR mode indices:
GR_XMIN — System variable xmin.
GR_XMAX — System variable xmax.
GR_XSCL — System variable xscl.
(continued)

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