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166 Alphabetical Listing
when()
Catalog >
when(Condition, trueResult [, falseResult]
[, unknownResult]) ⇒ expression
Returns trueResult, falseResult, or
unknownResult, depending on whether
Condition is true, false, or unknown.
Returns the input if there are too few
arguments to specify the appropriate result.
Omit both falseResult and unknownResult
to make an expression defined only in the
region where Condition is true.
Use an undef falseResult to define an
expression that graphs only on an interval.
when() is helpful for defining recursive
functions.
While
Catalog >
While Condition
Block
EndWhile
Executes the statements in Block as long
as Condition is true.
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.
X
xor
Catalog >
BooleanExpr1 xor BooleanExpr2 returns
Boolean expressionBooleanList1
xor BooleanList2 returns Boolean
listBooleanMatrix1
xor BooleanMatrix2 returns Boolean
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