Texas Instruments TI-83 PLUS - Manual (Page 168)

TI-83 Plus Parametric Graphing 165
ZOOM
ZOOM
operations in Par graphing work the same as in Func graphing.
Only the X ( Xmin , Xmax , and Xscl ) and Y ( Ymin , Ymax , and Yscl ) window
variables are affected.
The T window variables ( Tmin , Tmax , and Tstep ) are only affected when
you select ZStandard . The
VARS ZOOM
secondary menu
ZT/Z q
items
1:ZTmin , 2:ZTmax , and 3:ZTstep are the zoom memory variables for Par
graphing.
CALC
CALC
operations in Par graphing work the same as in Func graphing. The
CALCULATE
menu items available in Par graphing are 1:value , 2:dy/dx ,
3:dy/dt , and 4:dx/dt .