CALCULATOR is one of the best Calc with many features same as CALCULATOR for your regular use. Calculate like many other calculators.
You can use Calculator as a Business and financial Calcs also has features with GT, GT, M+, M-, MR, MU (Mark Up) which are used to get profit ratio when you want to give discounts on your products.
gives your some options of scientific calculator.

GST CALCULATOR gives all functionality of GST and TAX Calculation for All country with just one Single Click. Get results calculated as you type.

Calculator provides simple and advanced mathematical functions in a beautifully designed app.
2 Perform basic calculations such as addition, subtraction, multiplication, and division
1 Do scientific operations such as trigonometric, logarithmic, and exponential functions

GST CALCULATOR OR TAX CALCULATOR

Calculator is the essential tool for your smartphone, simple and easy to use with a sleek design - the perfect calculator for Android.
Characteristics :
1 A clear display format and easy to read.
2 An intuitive and attractive design that facilitates calculations every day.
3 You can use the backspace key to correct a simple mistake.
4 You can change theme easily.

CURRENCY CONVERTER
Currency Converter is best for live exchange rate. We put + Sign, Select more than one country so you can show more than one country’s exchange rate at a time.