Simple Calculator - SimpleCalc

Simple Calculator - SimpleCalc brings the trusted desk calculator experience to your phone with the running total logic that business professionals and retail owners have relied on for decades.

Tired of scientific calculators with confusing order of operations? This app strips away the complexity and delivers the straightforward, Casio-style math you've always known. Whether you're managing finances at the office, processing transactions in a retail shop, or tracking expenses at home, you get fast, accurate results with the familiar 12-digit layout that requires no learning curve.

Streamline your professional workflows with purpose-built business tools. The dedicated TAX+ and TAX- buttons let you calculate GST, VAT, and sales tax instantly without mental math. The Profit & Margin feature makes it simple to determine cost, selling price, and markup percentages on the fly—essential when you need to make pricing decisions quickly. The Grand Total function tallies multiple results effortlessly, perfect for end-of-day reconciliation or bulk invoice calculations.

Experience the power of real running total logic. Unlike complex BIDMAS calculators that require you to think about operation order, this calculator computes as you type, mimicking the behavior of a physical office calculator. Memory keys—M+, M-, and MR/MC—handle multi-step problems without forcing you to write anything down. Percentage and square root keys provide one-tap access to common calculations.

Enjoy modern comfort wrapped in retro design. Customize your experience with themes ranging from classic gray to sleek dark mode to vibrant vintage styles that match your preference. Optional haptic feedback delivers tactile confidence with each keypress, recreating the satisfying feel of pressing physical buttons. A built-in history log lets you swipe through recent calculations, ensuring you never lose track of your work or need to recalculate.

Simple Calculator - SimpleCalc transforms everyday math from a chore into a quick, reliable task. Download now and experience the calculator that doesn't get in your way.