Parval Calculator is the the perfect calculator for Android. It's easy to use and beautifully designed to do things better than your phone or handheld calculator ever did.
Parval Calculator App provides simple and advanced mathematical functions in a beautifully designed app.
You can change app theme to your favourite colour by choosing from colour palate, so it's colour changing display functionality.
Its Perform basic calculations such as addition, subtraction, multiplication, and division.
Do scientific operations such as trigonometric, logarithmic, and exponential functions
So keep Calculating with Parval Calculator.