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⇔ (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
Value1! ⇒ 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.
Symbols 183
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