Texas Instruments TI-84 User Manual
Page 623

Appendix A: Functions and Instructions
620
Z-Test(
m
0,
s
,
v
,n
[,alternative,drawflag])
(Summary stats input)
Performs a z test.
alternative=
L
1 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
Function or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item