Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

Homework On Web - Live Online tutoring

RealCalc Scientific Calculator - RealCalc Scientific Calculator

Learnetto - Learnetto is a place to learn how to make web and mobile apps.

GetBricksApp - Bricks is a note-taking web app with a built-in calculator. It can be installed as a desktop or mobile app, because of PWA technology this app built with. Which is also makes it offline available. Notes created with Bricks can be shared.

Math42 - Formula calculator for IOS