Texas Instruments -84 Plus, Manual Book

Page: 623 / 696

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