Rapid & Quick Calculator Pro - Lumos Educational App Store

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)