Texas Instruments TI-Nspire CAS User Manual

216 Symbols
⇔ (logical double implication, XNOR)
/= keys
BooleanExpr1 ⇔ BooleanExpr2 returns
Boolean expression
BooleanList1 ⇔ BooleanList2 returns
Boolean list
BooleanMatrix1 ⇔ BooleanMatrix2
returns Boolean matrix
Integer1 ⇔ Integer2 returns Integer
Returns the negation of an XOR Boolean
operation on the two arguments. Returns
true, false, or 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 <=>
! (factorial)
º key
Expr1! ⇒ expression
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 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