Appendix A: Functions and Instructions 619
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
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(
F
unction or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item
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