Simple Calculator.

This is the calculator that gets it right—built for professionals, retailers, and anyone who needs fast, accurate math without the complexity.

• Work smarter with real-world logic

No forced order of operations—just like a classic pocket calculator with a running total.

• Perfect for business use

Easily handle cost, sell, and margin calculations. Add or subtract percentages in one step.

• Clean, intuitive interface

Large, labeled buttons and a crisp display make every calculation effortless.

• Reliable and distraction-free

Minimal ads, never intrusive—so you can stay focused, even in front of clients.

Inspired by the Casio calculators you know and trust—modernized for your iPhone/ iPad.

Download now and make everyday math faster, clearer, and smarter.