in degrees per frame. The speeds should be set to relatively small
values, e.g., less than 4 in magnitude.
.TP 8
-.B \-speed-xw \fIfloat\fP
+.B \-speed-wx \fIfloat\fP
Rotation speed around the wx plane (default: 1.1).
.TP 8
-.B \-speed-xy \fIfloat\fP
+.B \-speed-wy \fIfloat\fP
Rotation speed around the wy plane (default: 1.3).
.TP 8
.B \-speed-wz \fIfloat\fP
and yz planes. To examine the polytope at your leisure, it is best to
set all speeds to 0. Otherwise, the polytope will rotate while the
left mouse button is not pressed.
+.B \-fps
+Display the current frame rate, CPU load, and polygon count.
.SH ENVIRONMENT
.PP
.TP 8