Section 11,67: MOD

 MOD (dividend, divisor)

 A function that divides the first argument by the second and
 returns the remainder.
 +------+---------+----------+------------+-------------+        
 | Args | Generic | Specific |  Argument  | Result Type |
 +------+---------+----------+------------+-------------+
 |  2   |  MOD    |  --      | INTEGER*1  | INTEGER*1   |
 |      |         | IMOD     | INTEGER*2  | INTEGER*2   |
 |      |         | JMOD     | INTEGER*4  | INTEGER*4   |
 |      |see note | KMOD     | INTEGER*8  | INTEGER*8   |
 |      |         | AMOD     | REAL*4     | REAL*4      |
 |      |         | DMOD     | REAL*8     | REAL*8      |
 |      |see note | QMOD     | REAL*16    | REAL*16     |
 +------+---------+----------+------------+-------------+

 NOTE: KMOD is only available on AXP systems.
       QMOD is not available in DEC Fortran.