Buat Calculator dengan DOS

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@echo off
title Calculator Created By : Fauzan ®
echo +++++++++++++++++++++++++++++++++++++++++
echo + Name   : Calculator                   +
echo + Author : MRR Cyber / Muhammad Rafly   +
echo + Visit  : mrr-cyber.blogspot.com       +
echo +++++++++++++++++++++++++++++++++++++++++
:ulang
set /p A=Masukkan Angka Pertama =
set /p B=Masukkan Angka Kedua =
set /p o=Pilih pengoperasian anda (*, +, -, /) =
set /a "jumlah" = A%o%B
echo Jumlah = %jumlah%
pause>null
goto ulang
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# silahkan di coba