Texas Instruments TI-Nspire CAS User Manual

174 Alphabetical Listing
stDevPop()
Catalog >
stDevPop(List [, freqList]) ⇒ expression
Returns the population standard deviation
of the elements in List.
Each freqList element counts the number
of consecutive occurrences of the
corresponding element in List.
Note:List must have at least two elements.
Empty (void) elements are ignored. For
more information on empty elements, see
page 232.
In Radian angle and auto modes:
stDevPop(Matrix1[, freqMatrix]) ⇒
matrix
Returns a row vector of the population
standard deviations of the columns in
Matrix1.
Each freqMatrix element counts the
number of consecutive occurrences of the
corresponding element in Matrix1.
Note:Matrix1must have at least two rows.
Empty (void) elements are ignored. For
more information on empty elements, see
page 232.
stDevSamp()
Catalog >
stDevSamp(List[, freqList]) ⇒ expression
Returns the sample standard deviation of
the elements in List.
Each freqList element counts the number
of consecutive occurrences of the
corresponding element in List.
Note:List must have at least two elements.
Empty (void) elements are ignored. For
more information on empty elements, see
page 232.

Texas Instruments TI-Nspire CAS Specifications

General

Type	Graphing
Cover	-
Form factor	Pocket
Control type	Buttons, Touch
Product color	Grey, Silver
Digits	- digits
Display tilting	No
Display resolution	320 x 240 pixels
Display number of lines	- lines
Compatible operating systems	Windows XP/2000\\r Mac OS X 10.4/10.5
Battery type	AAA
Power source	Battery
Number of batteries supported	4
USB port	Yes
USB 2.0 ports quantity	1
RAM capacity	16 MB
ROM capacity	20 MB

Weight and Dimensions

Depth	198.3 mm
Width	100 mm
Height	28.7 mm

Summary

Important Information

License

Discusses software license terms and conditions.

Expression Templates

Fraction template

Template for entering fractions.

Exponent template

Template for entering exponents.

Matrix template (m x n)

Template for creating mxn matrices.

First derivative template

Template for calculating first derivatives.

Alphabetical Listing

abs()

Returns the absolute value of the argument.

angle()

Returns the angle of an argument as a complex number.

ANOVA

Performs one-way analysis of variance.

approx()

Evaluates arguments to decimal values.

Symbols

+ (add)

Returns the sum of two arguments.

- (subtract)

Returns the difference between two arguments.

* (multiply)

Returns the product of two arguments.

/ (divide)

Returns the quotient of two arguments.

EOS™ (Equation Operating System) Hierarchy

Order of Evaluation

Details the priority levels for operators and functions.

Parentheses, Brackets, and Braces

Explains how grouped expressions are evaluated first.

Error Codes and Messages

Error code

Lists numeric error codes and their descriptions.

Warning Codes and Messages

Lists numeric warning codes and their associated messages.

Shortcuts for Entering Math Expressions

From the Handheld or Computer Keyboard

Lists shortcuts for handheld and computer input.

From the Computer Keyboard

Lists shortcuts specific to computer keyboard input.