abap program for A SAP Pop-out Calculator

* A Pop-out Calculator for the users
*
REPORT ZCALCULATOR.

DATA: X_VALUE(15) TYPE C.

call function 'FITRV_CALCULATOR'
* EXPORTING
*   INPUT_VALUE                =
*   CURRENCY                   =
*   START_COLUMN               = '10'
*   START_ROW                  = '10'
IMPORTING
  OUTPUT_VALUE               = X_VALUE
EXCEPTIONS
  INVALID_INPUT              = 1
  CALCULATION_CANCELED       = 2
  OTHERS                     = 3.

IF SY-SUBRC = 0.
 WRITE:/ 'Output Value ', X_VALUE.
ENDIF.

*-- End of Program