Appendix A: Functions and Instructions 375
STATWIZARD OFF
Disables wizard syntax help for statistical
commands, distributions, and seq(.
y N
STATWIZARD
OFF
STATWIZARD ON
Enables wizard syntax help for statistical commands,
distributions, and seq(.
y N
STATWIZARD ON(
stdDev(list[,freqlist]) Returns the standard deviation of the elements in list with
frequency freqlist.
y 9
MATH
7:stdDev(
Stop Ends program execution; returns to home screen.
†
CTL
F:Stop
Store: value
!variable
Stores value in variable.
¿
StoreGDB n Stores current graph in database GDBn.
y <
STO
3:StoreGDB
StorePic n Stores current picture in picture Picn.
y <
STO
1:StorePic
String
4Equ(string,Y= var)
Converts string into an equation and stores it in Y= var.
y N
String
4Equ(
sub(string,begin,length) Returns a string that is a subset of another string, from
begin to length.
y N
sub(
sum(list[,start,end]) Returns the sum of elements of list from start to end.
y 9
MATH
5:sum(
summation
G(expression
[,start,end])
Displays the MathPrint™ summation entry template and
returns the sum of elements of list from start to end, where
start <= end
.
NUM
0: summation G(
tan(value) Returns the tangent of a real number, expression, or list.
š
tan
L1
(value)
Returns the arctangent of a real number, expression, or
list.
y A
Tangent(expression,
value)
Draws a line tangent to expression at X=value.
y <
DRAW
5:Tangent(
tanh(value) Returns hyperbolic tangent of a real number, expression, or
list.
y N
tanh(
tanh
L1
(value)
Returns the hyperbolic arctangent of a real number,
expression, or list.
y N
tanh
L1
(
tcdf(lowerbound,
upperbound,df)
Computes the Student-t distribution probability between
lowerbound and upperbound for the specified degrees of
freedom df.
y =
DISTR
6:tcdf(
F
unction or
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