Ipart; Irr; Isprime(); Isvoid() - Texas Instruments TI-Nspire Reference Manual

iPart()

⇒
Number integer
iPart( )
⇒
List1 list
iPart
( )
⇒
Matrix1 matrix
iPart
( )
Returns the integer part of the argument.
For lists and matrices, returns the integer part of each element.
The argument can be a real or a complex number.

irr()

CF0 CFList CFFreq
irr( , [, ])
Financial function that calculates internal rate of return of an
investment.
CF0 is the initial cash flow at time 0; it must be a real number.
CFList is a list of cash flow amounts after the initial cash flow CF0.
CFFreq is an optional list in which each element specifies the
frequency of occurrence for a grouped (consecutive) cash flow
amount, which is the corresponding element of CFList. The default is
1; if you enter values, they must be positive integers < 10,000.
See also mirr(), page 63.
Note:

isPrime()

⇒
Number Boolean constant expression
isPrime( )
Returns true or false to indicate if number is a whole number
is evenly divisible only by itself and 1.
If Number exceeds about 306 digits and has no factors
isPrime(Number) displays an error message.
Note for entering the example:
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 and press
Alt Enter

isVoid()

⇒
Var Boolean constant expression
isVoid( )
⇒
Expr Boolean constant expression
isVoid( )
⇒
List list of Boolean constant expressions
isVoid( )
Returns true or false to indicate if the argument is a void data type.
For more information on void elements, see page 131.
⇒
value
{
1021,
In the Calculator application
.
|
2 that
Function to find the next prime after a specified number:
@
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