SAP Calculator Program with if else statement

 REPORT ZSM_DEMO1.

PARAMETERS p_num1 type int4.

PARAMETERS p_num2 type int4.

PARAMETERS operatn type char10.

data: p_result type int4.

if operatn = '+'.

  p_result = p_num1 + p_num2.

  write:/ 'result : ', p_result.

ELSEIF operatn = '-'.

  p_result = p_num1 - p_num2.

  write:/ 'result : ', p_result.

ELSEIF operatn = '*'.

  p_result = p_num1 * p_num2.

  write:/ 'result : ', p_result.

  ELSEIF operatn = '/'.

  p_result = p_num1 / p_num2.

  write:/ 'result : ', p_result.

 ENDIF.