Rapid & Quick Calculator Pro

* Over 170,000 Downloads Worldwide

This is a totally easy-to-use calculator. It has all the basic features you'd expect from a calculator, as well as additional useful functions like the ability to calculate sales tax and discounts.

FEATURES

* History Tape - Reuse answer with a single tap

* Equation

* Sales Tax Calculations - Multiple tax settings with swipe change

* Discount Calculations with percentage operator (e.g., 100 - 30% = 70)

* Precise Rounding Settings

* Multiple Color Themes

* Multiple Font Sizes and Type Faces

* Left and Right Arrow Cursor Key - easy-to-edit expression

* Share Expression and Answer with other apps

* Support iPad

* Support Slide Over and Split View in iPad (If available)

* Sound Effects

We welcome your feedback.

URL Scheme

zippycalc://

This is the paid version of the app. A free version is also available.

Paid version doesn't show ad and has four tax keys. (Free version has two tax keys)