Texas Instruments TI-84 Plus Guide Book

Appendix A: Functions and Instructions 620
Z-Test(m0,s,v,n
[,alternative,drawflag])
(Summary stats input)
Performs a z test.
alternative=L1 is <;
alternative=0 is
ƒ;
alternative=1 is >.
drawflag=1 draws results;
drawflag=0 calculates
results.
†
…
TESTS
1:Z-Test(
ZTrig Replots the functions
immediately, updating the
window variables to preset
values for plotting trig
functions.
†
q
ZOOM
7:ZTrig
Factorial: value! Returns factorial of value.

PRB
4:!
Factorial: list! Returns factorial of list
elements.

PRB
4:!
Degrees notation: value¡
Interprets value as degrees;
designates degrees in
DMS format.
y ;
ANGLE
1:¡
Radian: angle
r
Interprets angle as radians.
y ;
ANGLE
3:
r
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	-