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Unsolved VS Calcumber

Compare Unsolved VS Calcumber and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

Unsolved logo Unsolved

Where Influencers create Courses | The Learning Network | Build Learning Communities

Calcumber logo Calcumber

Calculate in a notebook and share โ€” from everyday math to engineering.
Visit Website
  • Unsolved Landing page
    Landing page //
    2023-09-23
  • 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

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.

Unsolved

Website
unsolved.network
$ Details
-
Platforms
-
Release Date
-
Edit details

Calcumber

Website
calcumber.app
$ Details
free
Platforms
Web Windows Linux Mac
Release Date
2025 June
Startup details
Country
Switzerland
State
Aargau
City
Staufen
Founder(s)
Samuel Hartmann
Employees
1 - 9
Edit details

Unsolved features and specs

  • Global Reach
    The Unsolved Network provides a platform for sharing information about unsolved cases globally, potentially increasing the chances of gathering new information and tips from a wide audience.
  • Community Engagement
    Encourages community involvement by allowing users to contribute tips and information, fostering a collaborative effort to solve cold cases.
  • Access to Resources
    Offers access to a network of professionals, including investigators and forensic experts, which can aid in progressing stalled investigations.
  • Awareness and Advocacy
    Raises awareness for unsolved cases and advocates for victims and their families, potentially renewing interest and resources into forgotten cases.

Possible disadvantages of Unsolved

  • Data Privacy
    Sensitive information shared on the platform may pose risks to privacy and data security for victims and involved parties.
  • Quality Control
    The open nature of the platform might lead to the dissemination of unverified information or speculative content, hindering investigations.
  • Overwhelming Volume
    High volumes of information and tips can be overwhelming for investigators to process and might delay the investigation efforts.
  • Potential for Misinformation
    As with any crowd-sourced platform, there is a risk of spreading misinformation, which can mislead investigations or harm reputations.

Calcumber features and specs

  • ๐ŸŒฟ Naturally type expressions
    get immediate results
  • ๐Ÿ”— Copy and share
    keep calculations editable with a link
  • ๐Ÿงฉ Variables and constants
    pi, e, G, mu0
  • ๐Ÿงช Scientific functions
    sin, acos, log, round, and more
  • โ™จ๏ธ Thermodynamic fluid properties
    refrigeration, heat pumps, steam and air
  • ๐Ÿ’ก Installation optional
    run directly in your browser
  • ๐Ÿ“ฑ Multi-platform
    WebApp, Windows, more to come

Unsolved videos

+ Add

Unsolved Mysteries (2020) Netflix Series Review

More videos:

  • Review - UNSOLVED MYSTERIES 2020 REVIEW
  • Review - Unsolved Mysteries Netflix Series Review

Calcumber videos

No Calcumber videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Unsolved and Calcumber)

Unsolved

Calcumber

Education
71 71%
Education
29% 29
Online Calculators
0 0%
Online Calculators
100% 100
Online Courses
100 100%
Online Courses
0% 0
LMS
100 100%
LMS
0% 0

Questions & Answers

As answered by people managing Unsolved and Calcumber.

Why should a person choose your product over its competitors?

Calcumber's answer:

  • 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.

What makes your product unique?

Calcumber's answer:

  • 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

What's the story behind your product?

Calcumber's answer:

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.

How would you describe the primary audience of your product?

Calcumber's answer:

  • 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.

Which are the primary technologies used for building your product?

Calcumber's answer:

HTML, CSS, TypeScript, PWA, CoolProp

Who are some of the biggest customers of your product?

Calcumber's answer:

Eastern Switzerland University of Applied Sciences

User comments

Share your experience with using Unsolved and Calcumber. For example, how are they different and which one is better?
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What are some alternatives?

When comparing Unsolved and Calcumber, you can also consider the following products

Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.

Numara Calculator - A simple but powerful notepad calculator which evaluates expressions as you type.

thinkific - Create online courses and membership sites with Thinkific and feel confident that youโ€™ve got the easiest technology and the best support in the industry.

SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donateย .

Mexty - AI-native secure learning infrastructure for creating, delivering, assessing, and tracking interactive learning experiences with AI authoring, LMS, AI Agents, Source of Truth, learning analytics, and SCORM compatibility.

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

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