Top 4 Open-Source Alternatives to CalcTastic Scientific Calculator

Product categories

Advanced Calculator Calculator Engineering Calculator Knowledge Search Numerical Computation Spreadsheets Technical Computing Text Calculator

Summary

The top open-source alternatives to CalcTastic Scientific Calculator are Qalculate!, Numi App, and EngineeringPaper.xyz. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Qalculate! Landing Page
1

Qalculate!

Qalculate! is a multiplatform multi-purpose desktop calculator.
Pricing:
- Open Source
#Calculator #Advanced Calculator #Engineering Calculator 31 social mentions
Numi App Landing Page
2

Numi App

Numi is a beautiful text calculator for Mac.
Pricing:
- Open Source
#Calculator #Advanced Calculator #Text Calculator 29 social mentions
EngineeringPaper.xyz Landing Page
3

EngineeringPaper.xyz

Online app for engineering calculations. Solves systems of equations, checks and converts units automatically, supports plotting, and allows for the creation of a link to share your work. Free and open source, no registration required.
Pricing:
- Open Source
- Free
#Technical Computing #Engineering Calculator #Numerical Computation 3 social mentions
Free42 Landing Page
4

Free42

Free42, an HP-42S calculator simulator
Pricing:
- Open Source
#Calculator #Knowledge Search #Advanced Calculator 6 social mentions