Operation Manual

Appendix A: Functions and Instructions 363
prod(
list[,start,end]) Returns product of list elements between start and end.
y 9
MATH
6:prod(
Prompt
variableA
[,variableB,...,variable n]
Prompts for value for
variableA, then variableB, and so
on.
† 
I/O
2:Prompt
1-PropZInt(
x,n
[,confidence level])
Computes a one-proportion z confidence interval.
† …
TESTS
A:1-PropZInt(
2-PropZInt(
x1,n1,x2,n2
[,confidence level])
Computes a two-proportion z confidence interval.
† …
TESTS
B:2-PropZInt(
1-PropZTest(
p0,x,n
[,alternative,drawflag,
color#
])
Computes a one-proportion z test. alternative=L1 is <;
alternative=0 is ƒ; alternative=1 is >. drawflag=1 draws
results; drawflag=0 calculates results. Color #: 10-24.
† …
TESTS
5:1-PropZTest(
2-PropZTest(
x1,n1,x2,n2
[,alternative,drawflag,
color#
])
Computes a two-proportion z test. alternative=L1 is <;
alternative=0 is ƒ; alternative=1 is >. drawflag=1 draws
results; drawflag=0 calculates results. Color #: 10-24.
† …
TESTS
6:2-PropZTest(
Pt-Change(
x,y[,color#]) Toggles a point on or off at (x,y) on the graph area. Off
will be in the Background color and On will be the
specified Color #: 10-24.
y <
POINTS
3:Pt-Change(
Pt-Off(
x,y[,mark]) Erases a point at (x,y) on the graph area using mark.
The Off state may be the background color
determined by the ImageVar or color setting.
y <
POINTS
2:Pt-Off(
Pt-On(
x,y[,mark,color#]) Draws a point at (x,y) on the graph area using mark
and the specified Color #: 10-24.
y <
POINTS
1:Pt-On(
PwrReg
[Xlistname,
Ylistname,freqlist,
regequ]
Fits a power regression model to
Xlistname and
Ylistname with frequency freqlist, and stores the
regression equation to
regequ.
…
CALC
A:PwrReg
Pxl-Change(
row,column
[,color#])
Toggles Off to On in the graph area: with specified
color#
Toggles On to Off in the graph area: Off will display
the set Background Image Var or Color. Color #: 10-24.
y <
POINTS
6:Pxl-Change(
Pxl-Off(
row,column)
The Off state will display the set Background Image
Var or COLOR.
y <
POINTS
5:Pxl-Off(
Pxl-On(
row,column[,color#
])
Draws pixel on the graph area at (row,column) in the
specified color. Color #: 10-24.
y <
POINTS
4:Pxl-On(
pxl-Test(
row,column) Returns 1 if pixel (row, column) is on, 0 if it is off;
y <
POINTS
7:pxl-Test(
F unction or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item