Propfrac – HP 49g Graphing Calculator User Manual

Page 171

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See also:

ISPRIME?

NEXTPRIME

PROPFRAC

Type:

Command

Description:

Splits an improper fraction into an integer part and a

fraction part.

Access:

Arithmetic, RiM]

Input:

An improper fraction, or an object that evaluates to an
improper fraction.

Output:

A proper fraction.

Flags:

Exact mode must be set (flag -105 clear).
Niuneric mode must not be set (flag -03 clear).

Example:

Express the following as a proper fraction:

Command:

PROPFRAC

{

{ X ' ' 3 - t - 4 ) 7 X ^ 2 ) )

Result:

X + ( 4 / X " 2 )

PS!

Type:

Function

Description:

Calculates the polygamma function in one point.

Access:

Catalog, iCffl)

Input:

A complex expression.

Output:

The polygamma function.

Flags:

Exact mode must be set (flag -105 clear).

Numeric mode must not be set (flag -03 clear).

Page 14-48

Computer Algebra Commands