Texas Instruments TI-Nspire Reference Guide

122 TI-Nspire™ Reference Guide
{
(less or equal)
/= keys
Expr1
{ Expr2 ⇒ Boolean expression
List1
{ List2 ⇒ Boolean list
Matrix1 { Matrix2 ⇒ Boolean matrix
Returns true if Expr1 is determined to be less than or equal to Expr2.
Returns false if Expr1 is determined to be greater than Expr2.
Anything else returns a simplified form of the equation.
For lists and matrices, returns comparisons element by element.
Note: You can insert this operator from the keyboard by typing <=
See “=” (equal) example.
>
(greater than)
/= keys
Expr1 > Expr2 ⇒ Boolean expression
List1 > List2 ⇒ Boolean list
Matrix1 > Matrix2 ⇒ Boolean matrix
Returns true if Expr1 is determined to be greater than Expr2.
Returns false if Expr1 is determined to be less than or equal to
Expr2.
Anything else returns a simplified form of the equation.
For lists and matrices, returns comparisons element by element.
See “=” (equal) example.
|
(greater or equal)
/= keys
Expr1 | Expr2 ⇒ Boolean expression
List1 | List2 ⇒ Boolean list
Matrix1 | Matrix2 ⇒ Boolean matrix
Returns true if Expr1 is determined to be greater than or equal to
Expr2.
Returns false if Expr1 is determined to be less than Expr2.
Anything else returns a simplified form of the equation.
For lists and matrices, returns comparisons element by element.
Note: You can insert this operator from the keyboard by typing >=
See “=” (equal) example.
! (factorial)
º key
Va lu e1 ! ⇒ value
List1! ⇒ list
Matrix1! ⇒ matrix
Returns the factorial of the argument.
For a list or matrix, returns a list or matrix of factorials of the
elements.
&
(append)
/k keys
String1 & String2 ⇒ string
Returns a text string that is String2 appended to String1.

Texas Instruments TI-Nspire Specifications

General

Type	Display
Form factor	Pocket
Product color	Blue, White
Display resolution	320 x 240 pixels
Display size (HxV) (imperial)	0 \
Compatible operating systems	Windows Vista/XP Mac OS X 10.4/10.5
Battery type	AAA
Number of batteries supported	4

Weight and Dimensions

Dimensions (WxDxH)	100 x 198.3 x 28.7 mm