Quick 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.