COBOL SUBTRACT VERB
Example of SUBTRACT
PROGRAM
IDENTIFICATION DIVISION.
PROGRAM-ID. PGM005.
AUTHOR. MAINFRAMEWIZARD.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 NUM1 PIC 9(3) VALUE 05.
01 NUM2 PIC 9(3) VALUE 10.
01 NUM3 PIC 9(3) VALUE 15.
01 NUM4 PIC 9(3) VALUE 20.
01 NUM5 PIC 9(3) VALUE 55.
01 NUM6 PIC 9(3) VALUE 05.
01 NUM7 PIC 9(3) VALUE 35.
01 NUM8 PIC 9(3) VALUE 10.
01 NUM9 PIC 9(3) VALUE 15.
01 GROUP1.
05 ELEMENT1 PIC 9(3) VALUE 15.
05 ELEMENT2 PIC 9(3) VALUE 25.
01 GROUP2.
05 ELEMENT3 PIC 9(3) VALUE 23.
05 ELEMENT4 PIC 9(3) VALUE 45.
PROCEDURE DIVISION.
10000-MAIN-PARA.
DISPLAY 'SUBTRACT NUM1 FROM NUM2'
DISPLAY 'NUM1 BEFORE =' NUM1
DISPLAY 'NUM2 BEFORE =' NUM2
SUBTRACT NUM1 FROM NUM2
DISPLAY 'NUM1 AFTER =' NUM1
DISPLAY 'NUM2 AFTER =' NUM2
DISPLAY '--------------------------'
DISPLAY 'SUBTRACT NUM3, NUM4 FROM NUM5'
DISPLAY 'NUM3 BEFORE =' NUM3
DISPLAY 'NUM4 BEFORE =' NUM4
DISPLAY 'NUM5 BEFORE =' NUM5
SUBTRACT NUM3, NUM4 FROM NUM5
DISPLAY 'NUM3 AFTER =' NUM3
DISPLAY 'NUM4 AFTER =' NUM4
DISPLAY 'NUM5 AFTER =' NUM5
DISPLAY '--------------------------'
DISPLAY 'SUBTRACT NUM6 FROM NUM7 GIVING NUM8 NUM9'
DISPLAY 'NUM6 BEFORE =' NUM6
DISPLAY 'NUM7 BEFORE =' NUM7
DISPLAY 'NUM8 BEFORE =' NUM8
DISPLAY 'NUM9 BEFORE =' NUM9
SUBTRACT NUM6 FROM NUM7 GIVING NUM8 NUM9
DISPLAY 'NUM6 AFTER =' NUM6
DISPLAY 'NUM7 AFTER =' NUM7
DISPLAY 'NUM8 AFTER =' NUM8
DISPLAY 'NUM9 AFTER =' NUM9
DISPLAY '--------------------------'
DISPLAY 'SUBTRACT CORRESPONDING GROUP1 FROM GROUP2'
DISPLAY 'GROUP1 BEFORE =' GROUP1
DISPLAY 'GROUP2 BEFORE =' GROUP2
SUBTRACT CORRESPONDING GROUP1 FROM GROUP2
DISPLAY 'GROUP1 AFTER =' GROUP1
DISPLAY 'GROUP2 AFTER =' GROUP2
DISPLAY '--------------------------'
STOP RUN.
OUTPUT
SUBTRACT NUM1 FROM NUM2
NUM1 BEFORE =005
NUM2 BEFORE =010
NUM1 AFTER =005
NUM2 AFTER =005
--------------------------
SUBTRACT NUM3, NUM4 FROM NUM5
NUM3 BEFORE =015
NUM4 BEFORE =020
NUM5 BEFORE =055
NUM3 AFTER =015
NUM4 AFTER =020
NUM5 AFTER =020
--------------------------
SUBTRACT NUM6 FROM NUM7 GIVING NUM8 NUM9
NUM6 BEFORE =005
NUM7 BEFORE =035
NUM8 BEFORE =010
NUM9 BEFORE =015
NUM6 AFTER =005
NUM7 AFTER =035
NUM8 AFTER =030
NUM9 AFTER =030
--------------------------
SUBTRACT CORRESPONDING GROUP1 FROM GROUP2
GROUP1 BEFORE =015025
GROUP2 BEFORE =023045
GROUP1 AFTER =015025
GROUP2 AFTER =023045
--------------------------