Program for subtract verb, COBOL Programming

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PROGRAM FOR SUBTRACT VERB:

We have to write a simple program to elaborate the SUBTRACT verb. You can also use edit characters in the program.

Identification division.

Program- id. Subverb.

Environment division.

Data division.

Working-storage section.

77 a pic s9(3)v9(2) value 0.

77 b pic s9(3)v9(2) value 0.

77 e-b pic +z(3).z(2).

Procedure division.

Para-1.

Display(1 1) erase.

Display(3 5) "Enter first number :".

Accept a.

Display(5 5) "Enter second number :".

Accept b.

Subtract a from b.

Move b to e-b.

Display(15 5) "b-a = " e-b.

Stop run.

Description: This program gets 2 inputs from the user.

It subtracts them by using the SUBTRACT verb.

b-a is computed and stored in b.

Afterward the execution: OLD value of a is similar

OLD value of b is lost and

b-a is stored in b.

The unedited result is available in the b.

We move b to e-b, where the edit characters are available.

Note that the variable e-b makes proper use of the + edit character.

The e-b will always be exhibited with result.

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