The classic desk calculator experience, now on your phone. Tired of complicated scientific calculators that use confusing order of operations? Simple Calculator - SimpleCalc brings you the reliable, "running total" Casio-style logic that business professionals and retail owners have trusted for decades. Whether you are at the office, in a retail shop, or managing home finances, get fast and accurate results with the familiar 12-digit layout you know by heart. ✅ Ideal for Business and Retail Streamline your daily bookkeeping with dedicated tools for professional results. Tax Calculations: Dedicated TAX+ and TAX- buttons for instant GST, VAT, and sales tax computations. Profit & Margin: Quickly calculate Cost, Sell Price, and Profit Margin to manage your retail markups on the fly. Grand Total (GT): Easily tally multiple results with the iconic Grand Total feature. ✅ Classic Calculator Features Real Running Total Logic: No complex PEMDAS formulas. It calculates as you type, just like a traditional pocket calculator. Large 12-Digit Display: High-visibility screen designed for professional financial tasks. Memory Keys: Includes standard M+, M-, and MR/MC functions for complex multi-step problems. Percentage & Square Root: One-tap keys for quick discounts and basic math. ✅ Modern Comfort, Retro Feel Custom Themes: Choose from classic gray, sleek dark mode, or vibrant vintage styles. Haptic Feedback: Optional vibration on keypress to give you that tactile "physical button" confidence. History Log: Swipe to review your recent calculations so you never lose track of your work. Download the most reliable Casio-style calculator today and simplify your daily business math.