Simple Calculator

This simple calculator works like electronic calculators we use in our workplace. It is great for business owners, billing work, and home use.
It’s a reliable business calculator, shop calculator, and tax calculator with cost, sell, and margin functions – perfect for everyday calculations.

Key Features:
+ Large Display, Clear layout
+ MC, MR, M+, M– memory keys – memory content always visible on top
+ Business calculator functions: Cost/Sell/Margin & Tax Keys
+ Results history
+ Color Themes
+ Adjustable decimal places, and number format
+ Built-in on-screen ruler
+ Bonus Mini Calculators – quick tools for volume, roots, trigonometry, logarithms, vectors, GCD/LCM, and more

It has percentage, memory, tax, and business functions so you can calculate cost, sell, and profit margin with just a few taps.

The calculator comes with several color themes, customizable number format, adjustable decimal places, and results history.

In addition to business functions, the app also includes a handy collection of easy-to-use mini calculators for math and geometry: cylinder volume, trigonometry, logarithms, roots, GCD/LCM, vectors, arc length, and many more.

Why choose this calculator?
Unlike complicated calculator apps, this one feels familiar. It’s fast, simple, and practical – designed to work like the classic desktop calculators used in shops.

Whether you’re calculating profit margins, tax, discounts, or simple sums, this app gives you reliable results with fewer taps.

Recent changes:
Performance optimizations