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Rule of 3 Calculator vs Supercalc

A side-by-side look at Rule of 3 Calculator and Supercalc. For an in-depth review of either product, follow the links below.

Rule of 3 Calculator

Rule of 3 Calculator

Education & Reference

A rule of 3 calculator is a simple tool used to solve proportional math problems. It allows you to enter 3 numeric values and calculates the 4th value based on the proportional relationship.

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Supercalc

Supercalc

Office & Productivity

Supercalc was one of the earliest spreadsheet programs for personal computers. First released in 1980, it was very popular in the early 1980s for the CP/M operating system. Supercalc pioneered many features later adopted by other spreadsheets like visual on-screen formatting and using the cursor keys to navigate.

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