Mantissa n. : The decimal part of a logarithm, as distinguished from the integral part, or characteristic.

Example:
What is the range of numbers that can be represented in a system with a 4 bit Mantissa and a 6 bit exponent?

Taxonomy
Mantissa Corporation, RMS, video, Product Families, AOM, Spool, ASO, UV, Development Demo, Products, WebAccess, Job, JCL, Console, Tape, Disk, Server, Problem Severity.

Defination from the web:
... Enhancement to RMS/DeskTop (3v24) - Document Retrieval System. z/Vos Development Demo - Running MenuetOS on z/VM" z/Vos Development ...