Life & fun · alternatives · 2026

24 alternatives to Mec.py Mathematical Expression Calculator

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mec.py Mathematical Expression Calculator launched in 2020; newer entries below may have overtaken it.

1. 1ND
   NaSC – Do maths like a normal person▲127

   2015 · parnold-x.github.io · its alternatives →

2. 2
   Calc – A fast and intuitive command-line calculator written in Go▲94

   A simple command-line calculator written in Go. Contribute to alfredxing/calc development by creating an account on GitHub.

   2015 · github.com · its alternatives →

3. 3
   A design-by-contract Python package in ~100 lines▲58

   Greetings! A 2.5 weekends project to teach myself newer Python features (>= 3.10). Conditions are written as Lambda expressions that annotate parameters and return types, and coexist with type annotations. Symbols to share values between conditions are also supported to a limited extend.

   2022 · github.com · its alternatives →

4. 4
   Numerical▲70

   Calculator Without Equal

   2014 · its alternatives →

5. 5
   I made an interactive hex calculator in ncurses▲113

   Terminal based bit manipulator in ncurses. Contribute to mellowcandle/bitwise development by creating an account on GitHub.

   2019 · github.com · its alternatives →

6. 6TS
   The Surprisal Calculator WM±7▲6

   2025 · surprisal.onrender.com · its alternatives →

7. 7
   AlexCalc, a scientific calculator with LaTeX equation display▲58

   Scientific calculator with LaTeX equation display, variables, units, complex numbers. Supports input via on-screen button presses or keyboard.

   2022 · alexbarry.github.io · its alternatives →

8. 8
   One Button Calculator (Morse code Python REPL)▲6

   2023 · punkx.org · its alternatives →

9. 9NS
   Notepad Style Online Calculator▲6

   2020 · type-calc.herokuapp.com · its alternatives →

10. 10SC
    Simple calculator, try urlcalc.com/1+2▲5

    2015 · urlcalc.com · its alternatives →

11. 11AS
    A small symbolic math command line using algebrite and katex▲5

    2018 · bwasti.com · its alternatives →

12. 12
    Turn any number into a complicated math expression▲36

    Credit goes to the contributors of https://github.com/enjeck/num2math for making the tool's core.

    2024 · scientific.place · its alternatives →

13. 13
    Programmable calculator (my/Formula)▲8

    Create once use repeatedly, basic maths formulas.

    2016 · play.google.com · its alternatives →

14. 14IS
    Information Silo Calculator▲9

    2017 · datasilos.org · its alternatives →

15. 15CC
    Chmod Calculator▲6

    2014 · chmodcalc.com · its alternatives →

16. 16PG
    Payment Gateway Calculator▲8

    2019 · founderhacker.com · its alternatives →

17. 17
    Coffee to Water Ratio Calculator▲7

    2019 · honestcoffeeguide.com · its alternatives →

18. 18AJ
    A JavaScript calculator using the latest ES6 features▲7

    2017 · calculator.portfolio.braham.biz · its alternatives →

19. 19
    A Lispy Calculator in under 50 Lines of OCaml▲15

    2015 · github.com · its alternatives →

20. 20AT
    A tool that finds formulas from values without supervision▲6

    2020 · turingbotsoftware.github.io · its alternatives →

21. 21MC
    MathEquationAPI – Create Math Equations on the Fly▲7

    2021 · mathequationapi.com · its alternatives →

22. 22
    High-performance mathematical paradigms in Python▲7

    Improve the execution speed of pythonic paradigms.

    2018 · medium.com · its alternatives →

23. 23
    NeuralCalc▲8

    Math in Plain English

    2025 · apps.apple.com · its alternatives →

24. 24HA
    HandCalc – A modern tool for building engineering calcs▲5

    2023 · handcalc.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →