820 Appendix A: Functions and Instructions
NewPlot CATALOG
NewPlot
n
,
type
,
xList
[
,
[
yList
], [
frqList
], [
catList
],
[
includeCatList
], [
mark
] [,
bucketSize
]]
Creates a new plot definition for plot number
n
.
type
specifies the type of the graph plot.
1 = scatter plot
2 = xyline plot
3 = box plot
4 = histogram
5 = modified box plot
mark
specifies the display type of the mark.
1 =
è
(box)
2 = × (cross)
3 = + (plus )
4 =
é
(square)
5 =
ø
(dot)
bucketSize
is the width of each histogram “bucket”
(
type
= 4), and will vary based on the window
variables
xmin
and
xmax
.
bucketSize
must be >0.
Default = 1.
Note:
n
can be 1–9. Lists must be variable names
or c1–c99 (columns in the last data variable shown
in the Data/Matrix Editor), except for
includeCatList
,
which does not have to be a variable name and
cannot be c1–c99.
FnOff
¸ Done
PlotsOff
¸ Done
{1,2,3,4}! L1
¸ {1 2 3 4}
{2,3,4,5}! L2
¸ {2 3 4 5}
NewPlot 1,1,L1,L2,,,,4
¸ Done
Press
¥%
to display:
NewProb CATALOG
NewProb
Performs a variety of operations that let you begin a
new problem from a cleared state without resetting
the memory.
•
Clears all single-character variable names (
Clear
a–z
) in the current folder, unless the variables
are locked or archived.
•
Turns off all functions and stat plots (
FnOff
and
PlotsOff
) in the current graphing mode.
•
Perfoms
ClrDraw
,
ClrErr
,
ClrGraph
,
ClrHome
,
ClrIO
, and
ClrTable
.
NewProb ¸ Done
nInt() MATH/Calculus menu
nInt(
expression1, var, lower, upper
) ⇒
expression
If the integrand
expression1
contains no variable
other than
var
, and if
lower
and
upper
are constants,
positive
ˆ
, or negative
ˆ
, then
nInt()
returns an
approximation of
‰(
expression1
,
var
,
lower
,
upper
)
. This
approximation is a weighted average of some
sample values of the integrand in the interval
lower<var<upper
.
nInt(
e
^(ë x^2),x,ë 1,1)
¸
1.493
...
The goal is six significant digits. The adaptive
algorithm terminates when it seems likely that the
goal has been achieved, or when it seems unlikely
that additional samples will yield a worthwhile
improvement.
A warning is displayed (
“Questionable accuracy”)
when it seems that the goal has not been achieved.
nInt(cos(x),x,ë p,p+1íë12)
¸
ë 1.041
...
íë12
‰(cos(x),x,ë p,p+10^(ë 12))
¸
ë sin(
1
1000000000000
)
ans(1)¥¸ ë 1.íë12
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