Totucalculator is a free, online-based calculator website that strives to improve people's efficiency by developing impactful calculators of all kinds. Currently, there are over 250 free calculators that you can use today.
NumberHub Alternatives
NumberHub is described as 'Calculator, converter and so much more!' and is a Calculator in the education & reference category. There are more than 50 alternatives to NumberHub for a variety of platforms, including Android, Mac, Linux, Web-based and iPhone apps. The best NumberHub alternative is SpeedCrunch, which is both free and Open Source. Other great apps like NumberHub are Fossify Calculator, Qalculate!, OpenCalc and Calc You.
Alternatives list
A Calculator with the most minimal design and custom themes available on the Play Store, N Calc is your next app for all your daily calculations or not-so-daily scientific ones.



Easy to use scientific and graphing calculator with no ads! Advanced feature like finding zeros and intersections, as well as trigonometric functions!


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A simple calculator for the COSMIC desktop. The calculator has an operations history, providing the ability to bring previous calculations back to the screen for further use or inspection.


WeCalc is a stylish calculator for daily use. It not only shows the input history, but also can be changed the input numbers, and dragged & dropped to change the position of the input characters, so helpful, especially involves lots of numbers for calculation.


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