Texas Instruments TI-89 Developer's Guide

Appendix B: Global Variables — Graphing
1233
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
gr_active, gr_other
(continued)
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_THETMIN — System variable
θ
min.
GR_THETMAX — System variable
θ
max.
GR_THETSTEP — System variable
θ
step.
SEQUENCE 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_NMIN — System variable nmin.
GR_NMAX — System variable nmax.
GR_NPLOT — System variable plotStrt.
GR_NSTEP — System variable plotStep.
3D mode indices:
GR_XMIN — System variable xmin.
GR_XMAX — System variable xmax.
GR_XGRID — System variable xgrid.
GR_YMIN — System variable ymin.
GR_YMAX — System variable ymax.
GR_YGRID — System variable ygrid.
GR_DELTAX — Internal data.
GR_DELTAY — Internal data.
GR_ZMIN — System variable zmin.
GR_ZMAX — System variable zmax.
GR_ZSCL — System variable zscl. (Note that zscl is
not used on TI
-
89 / TI
-
92 Plus.)
(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