TI-83 Plus Index 788
Y= editor
function graphing, 111
parametric graphing, 158
polar graphing, 168
sequence graphing, 180
YFact zoom factor, 145
—Z—Z.Test (one-sample z test), 396, 692
ZBox, 139, 690
ZDecimal, 141, 690
zero operation on a graph, 148
ZInteger, 143, 690
ZInterval (one-sample z confidence
interval), 405, 690
zoom, 138, 139, 140, 141, 142, 143,
144, 145, 146
cursor, 139
factors, 145
function graphing, 138
parametric graphing, 165
polar graphing, 174
sequence graphing, 191
Zoom In (zoom in), 140, 690
ZOOM MEMORY menu, 144
ZOOM menu, 138
Zoom Out (zoom out), 140, 690
ZoomFit (zoom to fit function), 143,
691
ZoomRcl (recall stored window), 145,
691
ZoomStat (statistics zoom), 143, 691
ZoomSto (store zoom window), 144,
691
ZPrevious (use previous window), 144,
691
ZSquare (set square pixels), 142, 691
ZStandard (use standard window), 142,
691
ZTrig (trigonometric window), 142, 692