Texas Instruments TI-89 Developer's Manual page 1278

1236
gr_active, gr_other
TI-89 / TI-92 Plus Developer Guide
Appendix B: Global Variables — Graphing
(continued)
GR_COORD_POLAR — Graph Coordinates:
POLAR =
RECT =
SBYTE gr_xaxis
SEQUENCE X Axis:
n = -1
u = 0
u1, u2, . . . , u99 = 1, 2, . . . , 99
DIFF EQUATIONS X Axis:
t = 0
y = 100
y1, y2, . . . , y99 = 1, 2, . . . , 99
y' = -100
y1', y2', . . . , y99' = -1, -2, . . . , -99
SBYTE gr_yaxis
SEQUENCE Y Axis:
n = -1
u = 0
u1, u2, . . . , u99 = 1, 2, . . . , 99
DIFF EQUATIONS Y Axis:
t = 0
y = 100
y1, y2, . . . , y99 = 1, 2, . . . , 99
y' = -100
y1', y2', . . . , y99' = -1, -2, . . . , -99
WORD gr_fmt_flags2
GR_DE_CUSTOM
(continued)
Not for Distribution
GR_COORD_POLAR set
GR_COORDOFF reset
GR_COORD_POLAR reset
GR_COORDOFF reset
— X Axis for SEQUENCE or DIFF
EQUATIONS CUSTOM Axes setting:
— Y Axis for SEQUENCE or DIFF
EQUATIONS CUSTOM Axes setting
— Graph Format flags
— DIFF EQUATIONS Axes =
CUSTOM if set
Beta Version January 26, 2001