About this app

* This is the professional version of the application, and is entirely free of any advertising.

• Easy to use interface allows the calculation of percentage changes.

• Calculate both forward and reverse percentages.

• A variety of practical uses, including calculating sales tax, from both the original price or the final selling price.

• The calculator's colors are customizable.

• User definable decimal marker (point or comma).

• Optional thousands separator. Choose between space or comma/point(depends on decimal marker).

• Variable precision up to 20 decimal places.

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