Texas Instruments TI-Nspire CAS User Manual

86 Alphabetical Listing
I
identity()
Catalog >
identity(Integer) ⇒ matrix
Returns the identity matrix with a
dimension of Integer.
Integer must be a positive integer.
If
Catalog >
If BooleanExpr
Statement
If BooleanExpr Then
Block
EndIf
If BooleanExpr evaluates to true, executes
the single statement Statement or the block
of statements Block before continuing
execution.
If BooleanExpr evaluates to false,
continues execution without executing the
statement or block of statements.
Block can be either a single statement or a
sequence of statements separated with the
“:” character.
Note for entering the example: For
instructions on entering multi-line program
and function definitions, refer to the
Calculator section of your product
guidebook.
If BooleanExpr Then
Block1
Else
Block2
EndIf
If BooleanExpr evaluates to true, executes
Block1 and then skips Block2.
If BooleanExpr evaluates to false, skips
Block1 but executes Block2.

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