SFR Calculator is a new kind of software calculator for your Windows PC. With SFR Calculator you can do extensive calculations - like on an adding machine. You can comment your calculations and save them. Open your calculations again afterwards and change some of the numbers. SFR Calculator will always calculate the results again. You can see your whole calculation on the virtual paper tape.

Features:

• Enter many calculation terms in one turn and still keep an overview - like on an adding machine.
• Use intermediate results to check and structure your calculation.
• Comment your calculation terms, to give sense and context to it.
• Enter "normal" text for extended comment on your calculation.
• Change any term afterwards and SFR Calculator will refresh the whole calculation automatically.
• Save your calculations into files. Open the files later and you can change the calculations. SFR Calculator will refresh the whole calculation automatically again and again.
• Use your existing SFR Calculator files as templates. Only adjust some of your calculation terms and the new result is displayed immediately.