If you've ever used an HP financial calculator, you'll feel right at home when you open this application, whose interface, functionality, and features replicate the original physical product. You'll get hit with the upsell for the full version upon launching the program, but just click the window and the free version will open. Key in your computations, hit Enter, and a memory text file shows the last numbers registered.
The interface gives you the ability to adjust the size of the calculator from small to medium to large. Features such as copy and paste, load and save, and paper tape output are disabled in the freeware, but all other key functions are present. Anyone who regularly uses a financial calculator will find HP-12C Financial Calculator a welcome addition to her or his electronic arsenal.