Index I-7

T (Cont.)
Turning functions on and off, 1-19,
4-8, 5-4
Turning the TI-80 on and off, 3,
1-2
2-VAR STATS, 9-14, 9-15, A-19
Two-variable statistics, 9-14, 9-15,
A-19
U
UNDEFINED error, B-13
V
Variables, x, 1-12, 1-13, A-26
VARS menu, 1-19
VERTICAL, 7-3, 7-5, A-19
Vertical line, 7-5
Viewing rectangle, viewing window. See
Window
W
Warranty information, B-14, B-16
Window, 11, 1-19, 4-9 to 4-10,
4-15 to 4-18, 5-3 to 5-6,
9-21, A-26, B-8
WINDOW RANGE error, B-13
X
X,T key, 1-8, 4-5, 5-3
v, 9-17, A-26
X, 4-5, 4-11 to 4-13, 6-3, A-26, B-11
XnT functions, 1-19, 5-3, A-26
XFACT variable, 4-16
XL (X-list), 9-15, 9-18, 9-20
XMAX, XMIN, XSCL, 4-9, 4-13, 4-9,
4-10, 4-12, 4-17, 5-2, 5-4,
9-19, A-26, B-8, B-12, B-13
X/Y (VARS) menu, 1-19, 9-17
XYLINE, 9-18, 9-20, 9-21
Y
w, 9-17, A-26
Y, 4-11 to 4-13, A-26, B-11
Y (Cont.)
Y-VARS menu, 1-19
Yn, 1-19, 4-5 to 4-7, 10-12, A-26
Y1, Y2, Y3, 9-14, 9-15, A-26
YnT functions, 1-19, 5-3, A-26
Y= editor, 1-19, 4-5 to 4-7, 5-3, 6-4,
A-26
Y= functions. See Yn, XnT, functions
YFACT variable, 4-16, 4-18
YL (Y-list), 9-15, 9-18, 9-20
YMAX, YMIN, YSCL, 4-9, 4-10, 4-12,
4-13, 4-17, 5-2, 5-4, 9-19,
A-26, B-8, B-12, B-13
Z
ZBOX, 4-15, A-19
ZDECIMAL, 4-15, 4-17, A-19
ZOOM, 13, 1-18, 4-15 to 4-18,
5-6
ZOOM error, B-13
ZOOM FACTORS, 4-18
ZOOM IN, 4-15, 4-16
ZOOM menu, 4-15 to 4-17
ZOOM OUT, 4-15, 4-16
ZSQUARE, 4-2, 4-15, 4-17, A-19
ZSTANDARD, 4-15, 4-17, 5-6, A-19
ZTRIG, 4-15, 4-17, A-19
@TBL, 6-2, 6-3, 6-5, 4-18, 4-19, 6-6
@X, @Y, 4-10, 4-17, A-26, B-8
H, 2-9
sX, sY, 9-17, A-26
G (VARS) menu, 1-19, 9-17
GX, GY, GX2, GY2, GXY, 9-17, A-26
q, 1-12, A-26