Browse free open source JavaScript Calculators and projects below. Use the toggles on the left to filter open source JavaScript Calculators by OS, license, language, programming language, and project status.

  • FusionAuth: Authentication and User Management Software Icon
    FusionAuth: Authentication and User Management Software

    Offer your users flexible authentication options, including passwords, passwordless, single sign-on (SSO), and multi-factor authentication (MFA).

    FusionAuth adds login, registration, SSO, MFA, and a bazillion other features to your app in days - not months.
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  • Financial reporting cloud-based software. Icon
    Financial reporting cloud-based software.

    For companies looking to automate their consolidation and financial statement function

    The software is cloud based and automates complexities around consolidating and reporting for groups with multiple year ends, currencies and ERP systems with a slice and dice approach to reporting. While retaining the structure, control and validation needed in a financial reporting tool, we’ve managed to keep things flexible.
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  • 1
    For arbitrary precision mathematics PHP offers the Binary Calculator which supports numbers of any size and precision, represented as strings. This project replicates this in JavaScript (bcadd, bccomp, bcdiv, bcmul, bcsub, etc)
    Downloads: 0 This Week
    Last Update:
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  • 2
    Calculator Plus

    Calculator Plus

    An advanced and open source calculator application for Android.

    Downloads: 0 This Week
    Last Update:
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  • 3
    This is an on-focus drop-down javascript calculator built using the object oriented javascript, which can be attached to any input fields on your webpages. Any number of instances can be used on a single web page.
    Downloads: 0 This Week
    Last Update:
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  • 4
    sCal: a small, scientific, script programmable calculator--for & in JavaScript. sCal2: an expansion giving a function/program catalog system with: hundreds of unit-conversions & material properties, programming examples, nearly limitless user-procedures
    Downloads: 0 This Week
    Last Update:
    See Project
  • Collect! is a highly configurable debt collection software Icon
    Collect! is a highly configurable debt collection software

    Everything that matters to debt collection, all in one solution.

    The flexible & scalable debt collection software built to automate your workflow. From startup to enterprise, we have the solution for you.
    Learn More
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