Texas Instruments TI-84 Plus Guide Book

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

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-