Div2Mod; Divis - HP 48gII Advanced User's Reference Manual

Arithmetic, !Þ
Access:
Input: Level 2/Argument 1: The dividend.
Level 1/Argument 2: The divisor.
Output: Level 2/Item 1: The quotient.
Level 1/Item 2: The remainder.
Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag –3 clear).
Step-by-step mode can be set (flag –100 set).
Radians mode must be set (flag –17 set).
Example: Perform the following division:
2
x + + x 1
---------------------- -
2x + 4
Command:
DIV2(X^2+X+1,2*X+4)
Result:
{1/2(X-1),3}

DIV2MOD

Type: Command
Description: Performs euclidean division on two expressions modulo the current modulus.
Arithmetic, !Þ
Access:
Input: Level 2/Argument 1: The dividend.
Level 1/Argument 2: The divisor.
Output: Level 2/Item 1: The quotient.
Level 1/Item 2: The remainder.
Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag –3 clear).
Radians mode must be set (flag –17 set).
Example: Find the result of
Command:
DIV2MOD(X^3+4,X^2-1)
Result:
{X X+1}

DIVIS

Type: Command
Description: Returns a list of divisors of a polynomial or an integer.
Arithmetic, !Þor P
Access:
Input: A polynomial or an integer.
Output: A list containing the expressions or integers that exactly divide into the input.
Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag –3 clear).
Example: Find the divisors of the following polynomial:
2
x + 3x +
Command:
DIVIS(X^2+3*X+2)
Result:
{1,X+1,X+2,X^2+3*X+2}
See also: DIV2
4-24 Computer Algebra Commands
POLYNOMIAL
MODULO
3
x + 4
------------- -
2
x – 1
, modulo 3.
ARITH
2