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Calculation order is subject to the rules of general math. That I will multiply priority, the division. It is possible to calculate directly the formula sheet. I can also calculate the percentage. It is most suitable for the attendant of the spreadsheet.

[notice] In this calculator, instead of "×" and "*" multiplication. I express with a "/" instead of "÷" the division.

:::How to use · Added a function so that you can either tap the button, and press the key that is stamped on the button, can be calculated. -Can than button at the top right of the screen, following the calculation of past history. By tapping the calculation history, you can call the formula. -After you have made the calculation, by pressing a button on the operator immediately, you can use the answer to the previous calculation, it can be calculated directly.