MCM/70

APL for the MCM/70 was Microcomputer Computer Machines's APL\360 clone, with the exception of Scan performing reduces over suffixes instead of prefixes. This was due to a misunderstanding, but had to be perpetuated due to the user base.

Internal types
According to page 220 in the user manual, the data types available are as follows:
 * 1-byte characters
 * 1-byte integer
 * 2-byte integer
 * 4-byte integer
 * 8-byte integer (?)
 * 8-byte (double precision) floats (?)