Cobol Interview Question:

What does the IS NUMERIC clause establish?

Submitted by: Administrator

IS NUMERIC can be used on alphanumeric items, signed numeric & packed decimal items and unsigned numeric & packed decimal items. “IS NUMERIC” return TRUE if the item only consists of 0-9. However, if the item being tested is a signed item, then it may contain 0-9, + and -.
Submitted by: Administrator