* 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.