Software Alternatives, Accelerators & Startups
Register | Login

CORE VS Calcumber

Compare CORE VS Calcumber and see what are their differences

FlexiQuiz
FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun. featured
Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

CORE logo CORE

The worldโ€™s largest collection of open access research papers

Calcumber logo Calcumber

Calculate in a notebook and share โ€” from everyday math to engineering.
Visit Website
Not present
  • 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.

CORE

Website
core.ac.uk
$ 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

CORE features and specs

  • Accessibility
    CORE provides free access to millions of research papers, making academic knowledge widely available to the public.
  • Comprehensiveness
    CORE aggregates content from diverse sources, including institutional repositories and journals, which offers users a wide range of research materials.
  • Search Capabilities
    The platform offers advanced search functionalities, enabling users to find specific papers with ease based on various criteria such as keywords, authors, and publication dates.
  • Interoperability
    CORE supports interoperability with other services and platforms, providing APIs that allow integration and utilization of its aggregated data in various applications.
  • Open Access Promotion
    By focusing on open access papers, CORE promotes the open access movement and helps increase the visibility and impact of publicly available research.

Possible disadvantages of CORE

  • Quality Control
    Due to the aggregation from various sources, the quality and credibility of some research papers may vary, leading to potential issues with reliability.
  • Coverage Gaps
    Despite its comprehensive approach, CORE may miss out on some important papers, especially those behind paywalls or from less accessible repositories.
  • User Interface
    Some users may find the website's user interface less intuitive or outdated compared to other modern research databases and platforms.
  • Downloading Restrictions
    In certain cases, downloading full texts may be restricted based on the policies of the originating repositories or journals, limiting access to some documents.
  • Duplicate Entries
    Aggregation from multiple sources can sometimes lead to duplicate entries in search results, which can be confusing and time-consuming for users.

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

Analysis of CORE

Overall verdict

  • CORE is a good platform for those seeking open access research material due to its vast collection of datasets and user-friendly interface. It facilitates easy access to publications and supports academic transparency and dissemination of knowledge.

Why this product is good

  • CORE (core.ac.uk) is a valuable resource for accessing open access research outputs. It aggregates research papers and publications from repositories and journals worldwide, making it an extensive source for academic and scholarly content. It's particularly useful for researchers, educators, and students looking for free and easily accessible academic papers.

Recommended for

  • Researchers in need of comprehensive academic literature.
  • Students looking for reliable scholarly sources for assignments and projects.
  • Educators seeking teaching materials and research articles.
  • Librarians and academic institutions aiming to expand their collection of open access content.

CORE videos

+ Add

The Core Movie Review

More videos:

  • Review - The Best of Core 2021 - Year in Review
  • Review - Xbox, you broke my heart | Elite Series 2 CORE review

Calcumber videos

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

Add video

Category Popularity

0-100% (relative to CORE and Calcumber)

CORE

Calcumber

Education
87 87%
Education
13% 13
Online Calculators
0 0%
Online Calculators
100% 100
Science
100 100%
Science
0% 0
Cryptocurrencies
100 100%
Cryptocurrencies
0% 0

Questions & Answers

As answered by people managing CORE 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 CORE and Calcumber. For example, how are they different and which one is better?
Log in or Post with

What are some alternatives?

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

Avaza - Beautiful Projects, Timesheets, Expenses, Quotes & Invoices for Small Businesses

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

BigTime.net - BigTime is a leading Professional Services Automation software that helps you scale your firm by giving you the ability to track & act on your operational metrics. Even with remote work, easily manage time, expenses, & billing for multiple projects.

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 .

FreshBooks - The ideal accounting software for small business owners.

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

Loading...