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calculator.net - Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.

Tutor Platform - Tutor is an ultimate platform to organise language learning

GPACalculator.io - The easiest way to calculate your GPA

Petroka - Petroka is an awesome product that helps private teaches in different areas focus on teaching.

Unigradecalc - Unigradecalc is a website that provides a tool for calculating GPA (Grade Point Average).