Find a perfect combination of simplicity and power with Free Calculator. You can do basic addition, subtraction, multiplication and division, along with complex formulas with an unlimited number of operations and operands.
Free calculator is for those who need a bit more than just to figure out how much they owe for cable this month. The three window system that it features are the edit window, the result window and the history window. The first two are self explanatory, the third allows you an unlimited log history so that you can go back and look at old formulas for easy reference.
An advanced calculator with a three windows system
