Texas Instruments TI-84 PLUS - Graphing Calculator - Page 386

Appendix A: Functions and Instructions 379
ZPrevious Replots the graph using the window variables of the graph
that was displayed before you executed the last ZOOM
instruction.
† q
MEMORY
1:ZPrevious
ZQuadrant1 Displays the portion of the graph that is in quadrant 1.
q
ZOOM
A:ZQuadrant1
ZSquare Adjusts the X or Y window settings so that each pixel
represents an equal width and height in the coordinate
system, and updates the viewing window.
†
q
ZOOM
5:ZSquare
ZStandard Replots the functions immediately, updating the window
variables to the default values.
†
q
ZOOM
6:ZStandard
Z-Test(m0,s[,listname,
freqlist,alternative,
drawflag])
(Data list input)
Performs a z test with frequency freqlist. alternative=L1 is <;
alternative=0 is
ƒ; alternative=1 is >. drawflag=1 draws
results; drawflag=0 calculates results.
†
…
TESTS
1:Z-Test(
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
Transpose: matrix
T
Returns a matrix in which each element (row, column) is
swapped with the corresponding element (column, row) of
matrix.
y >
MATH
2:
T
x
th
root
x
‡value Returns x
th
root of value.

MATH
5:
x
‡
x
th
root
x
‡list Returns x
th
root of list elements.

MATH
5:
x
‡
F unction or
Instruction/Arguments Result
Key or
Keys/Menu or
Screen/Item