There seems to be less information on how to do the
different arithmetic operations in abap.Abap supports the basic arithmetic
operations namely addition, subtraction, division and multiplication. The basic
operations can be done using the keywords ADD, SUBTRACT,DIVIDE and MULTIPLY.
The operands to be used for the operations should always be
numeric fields. Even if the fields differs in data type, SAP ensures the
conversion by doing converting the operands and result into highest data type
in the given statement.
Also please note in
division operations, divisor is not allowed to be zero if dividend is not
zero.In case of integer division, MOD provides the remainder.
Operation

Mathematical expression

Abap statement

Addition

a = b + c.

ADD b TO c.

Subtraction

a = b – c.

SUBTRACT c FROM b.

Multiplication

a = b * c.

MULTIPLY b BY c.

Division

a = b / c.

DIVIDE b BY c.

A demo program is provided by SAP which is DEMO_DATA_CALCULATE
for showing the various arithmetic operations possible in SAP.
Please note the arithmetic operations involving move
corresponding and sequences in fields
are obsolete from ECC version onwards.
Thank You For Sharing Your Knowledge .good information keep it up.
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