Iquot; Iremainder; Isom - HP 48gII Advanced User's Reference Manual

Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag -3 clear).
Example: Solve the following for x, modulo the default modulus, 13.
2x 1
Command:
INVMOD(2)
Result:
-6

IQUOT

Type: Function
Description: Returns the integer quotient (or Euclidean quotient) of two integers. That is, given two
integers, a and b, returns the integer q, such that:
a = qb + r, and 0 ≤ r < b
P
Access:
ARITH
Input: Level 2/Argument 1: The dividend.
Level 1/Argument 2: The divisor.
Output: The integer quotient.
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).
See also: QUOT, IDIV2

IREMAINDER

Type: Function
Description: Returns the remainder of an integer division.
P
Access:
ARITH
Input: Level 2/Argument 1: The numerator.
Level 1/Argument 2: The denominator.
Output: 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).
See also: IDIV2

ISOM

Type: Command
Description: Determine the characteristics of a 2-d or 3-d linear isometry.
Matrices, !Ø
Access:
Input: A square matrix representing a linear isometry.
Output: A vector and/or an angle that represent the symmetry of the matrix, and 1 (for a direct
isometry) or -1 (for an indirect isometry).
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).
or Arithmetic, !Þ
or Arithmetic, !Þ
LINEAR APPL
L
INTEGER
L
INTEGER
Computer Algebra Commands 4-43