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โœ“
Calcumber

Calculate in a notebook and share โ€” from everyday math to engineering.

Use variables, functions, and units and see results immediately. Add comments, copy calculations to apps like Word or Excel, or share them through an editable link. Calculate thermodynamic fluid properties with the integrated CoolProp library.

A startup from Staufen, Switzerland that is founded by Samuel Hartmann.

(0 reviews)
Pricing:
  • Free
Platforms:
  • Web
  • Windows
  • Linux
  • Mac
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Calcumber

Calcumber Reviews and Details

This page is designed to help you find out whether Calcumber is good and if it is the right choice for you.

#Education #Math Tools #Online Calculators #Engineering Calculator #Math Calculators #Math Solver

Screenshots and images

  • Calcumber Usefulness of units when calculating the weight of paper
    Usefulness of units when calculating the weight of paper //
    2026-07-25
  • Calcumber Calcumber interactively embedd on a web page
    Calcumber interactively embedd on a web page //
    2026-07-25
  • Calcumber Showcase from arithmetics to thermodynamics
    Showcase from arithmetics to thermodynamics //
    2026-07-25

Features & Specs

  1. ๐ŸŒฟ Naturally type expressions

    get immediate results

  2. ๐Ÿ”— Copy and share

    keep calculations editable with a link

  3. ๐Ÿงฉ Variables and constants

    pi, e, G, mu0

  4. ๐Ÿงช Scientific functions

    sin, acos, log, round, and more

  5. โ™จ๏ธ Thermodynamic fluid properties

    refrigeration, heat pumps, steam and air

  6. ๐Ÿ’ก Installation optional

    run directly in your browser

  7. ๐Ÿ“ฑ Multi-platform

    WebApp, Windows, more to come

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Questions & Answers

As answered by people managing Calcumber.

  1. Why should a person choose Calcumber over its competitors?

    • Sharing calculations and embedding them in documents or web pages is perfect for education.
    • Natural unit support, just include them in your expression and Calcumber handles it.
    • Free and easy access to thermodynamic fluid-properties.

  2. What makes Calcumber unique?

    • Easy to use calculator notebook
    • From simple arithmetic to advanced engineering with units
    • Installation optional
    • Send calculation link with full privacy
    • Embed calculation templates, exercices and soultions in documents or interactively in web pages

  3. What's the story behind Calcumber?

    When starting for a Master of Advances Study in Energy Systems, I was looking for a suitable state-of-the-art calculator. Then I built my own Calculator Calcumber and now the Eastern Switzerland University of Applied Sciences is using Calcumber for teaching students in thermodynamics.

  4. How would you describe the primary audience of Calcumber?

    • The notebook-style calculator is great for everybody who wants more than just a single line calculator.
    • The sharing and embedding features make it Calcumber very well suited for teachers and students. The power of consistently using units is shown immediatly.
    • Engineers will like the unit support, sharing calculations with collegues and if needed the built-in fluid properties calculation.

  5. Which are the primary technologies used for building Calcumber?

    HTML, CSS, TypeScript, PWA, CoolProp

  6. Who are some of the biggest customers of Calcumber?

    Eastern Switzerland University of Applied Sciences

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External links

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  • Public traffic stats of Calcumber

    Check the traffic stats of Calcumber on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.

  • Domain Rating (DR)

    Check the "Domain Rating" of Calcumber on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of Calcumber's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.

  • Domain Authority (DA)

    Check the "Domain Authority" of Calcumber on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.

  • Public opinion on Reddit

    The latest comments about Calcumber on Reddit. This can help you find out how popualr the product is and what people think about it.

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Is Calcumber good? This is an informative page that will help you find out. Moreover, you can review and discuss Calcumber here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.

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