Texas Instruments TI-84 Plus Manual Book page 573

Function or
Instruction/Arguments
checkTmr(starttime)
Circle(X,Y,radius)
Clear Entries
ClockOff
ClockOn
ClrAllLists
ClrDraw
ClrHome
Appendix A: Functions and Instructions
Result
Returns the number of
seconds since you used
startTmr to start the timer.
The starttime is the value
displayed by startTmr.
Draws a circle with center
(X,Y) and radius.
Clears the contents of the
Last Entry storage area.
Turns off the clock display
in the mode screen.
Turns on the clock display
in the mode screen.
Sets to 0 the dimension of
all lists in memory.
Clears all drawn elements
from a graph or drawing.
Clears the home screen.
Key or
Keys/Menu or
Screen/Item
y N
checkTmr(
y <
DRAW
9:Circle(
y L
MEMORY
3:Clear Entries
y N
ClockOff
y N
ClockOn
y L
MEMORY
4:ClrAllLists
y <
DRAW
1:ClrDraw

†
I/O
8:ClrHome
570