Texas Instruments NS/CLM/1L1/B Reference Guide - Page 95

Catalog &gt, While, with,

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W when( ) 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 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: In the Calculator application on the handheld, you can enter multi-line definitions by pressing @ · instead of at the end of each line. On the computer keyboard, hold down Alt and press Enter. Catalog > Catalog > "With" | See ("with"), page 106. TI-Nspire™ Reference Guide 89

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TI-Nspire™ Reference Guide
89
W
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:
In the Calculator application
on the handheld, you can enter multi-line definitions by pressing
@
instead of
·
at the end of each line. On the computer
keyboard, hold down
Alt
and press
Enter
.
“With”
See
|
("with"), page
106.