TI-83 Plus General Information 753
Error Type Possible Causes and Suggested Remedies
WINDOW RANGE A problem exists with the window variables.
• You defined Xmax Xmin or Ymax Ymin.
• You defined qmax qmin and qstep > 0 (or vice
versa).
• You attempted to define Tstep=0.
• You defined Tmax Tmin and Tstep > 0 (or vice
versa).
• Window variables are too small or too large to graph
correctly. You may have attempted to zoom in or zoom
out to a point that exceeds the TI-83 Plus’s numerical
range.
ZOOM • A point or a line, instead of a box, is defined in ZBox.
• A ZOOM operation returned a math error.