Solve complex math the way of HP-42S RPN calculator, with Free42 simulator

Free42 is a free and portable scientific calculator made to transfer to the Windows desktop the power of the HP-42S RPN calculator, even resembling its looks.

The program simulates the functions of the famous and powerful HP calculator, and it even uses a skin after the original hand held device. It will also let you save expressions to use them in other tasks, even log your calculations as a plain txt or gif file, or just copy them to use them elsewhere immediately.

If you are a fan of the famous HP-42S RPN calculator or if you just need a powerful scientific calculator for your PC, Free42 will make your day!

Download HP-42S RPN calculator