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Alternatives

Products that do what Speedsums - how fast can you math? does

  1. 1

    See how quick your math skills are

    2014

  2. 2S

    2014 · speedsums.com

  3. 3
    Sum 2.073

    How fast can you add?

    2019

  4. 4FR

    2021 · github.com

  5. 5HT

    Ever wanted to type as fast as those amazing hackers in the movies? now you can! just write something. Yes, i was really bored. To change writing speed: javascript:writer.speed=10;

    2011 · duiker101.tk

  6. 6F

    2020 · fastcomments.com

  7. 7KA
  8. 8

    Perfect for students to improve their math abilities

    2016

  9. 9IB

    I built this because measuring my age in years felt boring—I wanted to see the kilometers. The first version only used Earth's orbital speed (~30km/s), but the number moved too slowly. To get the "existential dread" feeling, I switched to using the Milky Way's velocity relative to the CMB (~600km/s). The math takes some liberties (using scalar sum instead of vector) to make the speed feel "fast," but it gets the point across. Under the hood, it's a single HTML file with zero dependencies. No React, no build step. The main challenge was the canvas starfield—I had to pre-allocate the…

    Jan 2026 · cosmic-odometer.vercel.app

  10. 10HF

    2021 · codingspeedtest.com

  11. 11AA

    2014 · artiklur.com

  12. 12TS

    2017 · play.google.com

  13. 13OS
  14. 14

    Speed up your math skills with the Trachtenberg System

    May 2026

  15. 15BA
  16. 16AF

    2020 · github.com

  17. 17AE

    2014 · engine.datanitro.com

  18. 18HF
  19. 19IM

    I found a serious bottleneck in Python binding of Wasmer and Wasmtime and I found a trick to make 25x faster. Then beat all that using NumPy.

    2023 · medium.com

  20. 20WB

    Hi, we are working on a tool for speeding up test runs, by skipping tests unaffected by code changes. Effectivly, Saving 80-95% of the time, by skipping 80-95% of tests. We started a few months ago, and have managed to get into a few production CI systems. All our prospects and users are on holiday right now. So we decided to repackage and open-source for local test running. available here (https://github.com/nabaz-io/nabaz) under MIT license. One line change: pytest -v -> nabaz test --cmdline "pytest -v" Stalk us on GitHub, or just Star us. Ask questions, we'll answer in…

    2022 · github.com

  21. 21

    A daily 10-second math speedrun puzzle

    13d ago · speed-equal.vercel.app

  22. 22

    SpeedCalcs is a free hub of 300+ interactive calculators

    Apr 2026

  23. 23SC

    2015 · github.com

  24. 24CI

    Author: Danison Nuñez Project: Coderive Project Type: Programming Language Highlight: Formula-based Execution ## Coderive - Iterating Through 1 Quintillion in a Loop *Subtitle: How a phone interpreter achieves what supercomputers cannot* The Impossible Loop: ```java // In any other language, this would be computational suicide for i in [0 to 1Qi] { // 1,000,000,000,000,000,000 iterations arr[i] = i * i } ``` Traditional Reality: · Python: MemoryError at array creation · Java/C++: Theoretical 31 years (with 8 exabytes of RAM) · NumPy/TensorFlow: Immediate crash ·…

    Dec 2025 · github.com

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