Calculators for MS-DOS

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

  • Employee monitoring software with screenshots Icon
    Employee monitoring software with screenshots

    Clear visibility and insights into how employees work. Even remotely

    Our computer monitoring software allows employees, field contractors, and freelancers to manually clock in when they begin working on an assignment. The application will take screenshots randomly or at set intervals, which allows employers to observe the work process. The application only tracks activity when the employee is clocked in. No spying, only transparency.
  • All-in-One Payroll and HR Platform Icon
    All-in-One Payroll and HR Platform

    For small and mid-sized businesses that need a comprehensive payroll and HR solution with personalized support

    We design our technology to make workforce management easier. APS offers core HR, payroll, benefits administration, attendance, recruiting, employee onboarding, and more.
  • 1
    4tH compiler

    4tH compiler

    A Forth compiler with a little difference

    4tH is a Forth compiler with a little difference. Instead of the standard Forth engine it features a conventional compiler. 4tH is a very small compiler that can create bytecode, C-embeddable bytecode, standalone executables, but also works fine as a scripting language. It supports about 95% of the ANS Forth CORE wordset and features conditional compilation, pipes, files, assertions, forward declarations, enumerations, structures, suspended execution, recursion, include files, etc. It comes with an RPN calculator, BASIC interpreter, line editor, preprocessor, compiler, decompiler, C-source generator, a virtual machine, and a multitasking environment.
    Leader badge
    Downloads: 71 This Week
    Last Update:
    See Project
  • 2
    kalc is a programmable scientific calculator, using RPN (Reverse Polish Notation). Its behaviour imitates a HP48/HP49 calculator. Works with real and complex numbers, unlimited size integers, arbitrary-precision real numbers and more.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 3
    Calculator++ is an Open source Scientific Calculator app designed to replace the standard Calculator app. Currently in MS-DOS Format.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    Equalculator is an equation calculator. It is currently in the "pre-alpha" stage of development, so don't expect it to do miracles. You type in your equation, it will ask you for the variables and Voila!, it gives you the answer.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Business Continuity Solutions | ConnectWise BCDR Icon
    Business Continuity Solutions | ConnectWise BCDR

    Build a foundation for data security and disaster recovery to fit your clients’ needs no matter the budget.

    Whether natural disaster, cyberattack, or plain-old human error, data can disappear in the blink of an eye. ConnectWise BCDR (formerly Recover) delivers reliable and secure backup and disaster recovery backed by powerful automation and a 24/7 NOC to get your clients back to work in minutes, not days.
  • 5
    FoxCalc

    FoxCalc

    A pseudo-graphical calculator for FreeDOS (or any other DOS)

    FoxCalc is a calculator with a text user interface (TUI), compiled for DOS. It supports a mouse, and uses the GMP library, therefore its results are highly accurate. FoxCalc is distributed as a zip FreeDOS package. That way, it can be easily installed using the FreeDOS package manager.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    FreeDOS Reisdent Calculator -- programmer's TSR calculator.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Modeline calculator designed to calculate low resolution modelines for CGA, EGA, and VGA arcade monitors, NTSC and PAL televisions, and multisync PC monitors. Supports X11, fb, and AdvanceMAME modeline formats.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Pc Calculator is a clever note and formula editor combined with an advanced and strong scientific calculator. Being an editor it is extremely user-friendly allowing all possible typing and other errors to be easily corrected and fast recalculated.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Metrics calculator tool, with plugin support to easily adapt to any language
    Downloads: 0 This Week
    Last Update:
    See Project
  • Holistically view your business data within a single solution. Icon
    Holistically view your business data within a single solution.

    For IT service providers and MSPs that need a data platform to manage their processes

    BrightGauge, a ConnectWise solution, was started in 2011 to fill a missing need in the small-to-medium IT Services industry: a better way to manage data and provide the value of work to clients. BrightGauge Software allows you to display all of your important business metrics in one place through the use of gauges, dashboards, and client reports. Used by more than 1,800 companies worldwide, BrightGauge integrates with popular business solutions on the market, like ConnectWise, Continuum, Webroot, QuickBooks, Datto, IT Glue, Zendesk, Harvest, Smileback, and so many more. Dig deeper into your data by adding, subtracting, multiplying, and dividing one metric against another. BrightGauge automatically computes these formulas for you. Want to show your prospects how quick you are to respond to tickets? Show off your data with embeddable gauges on public sites.
  • 10
    Ultimate Scientific Calculator (USC) is a program to perform calculations with extreme precision on both extremely large or small numbers, and provide too many built-in and user-defined functions and formulas.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12

    rcal

    an interactive "rolling paper" calculator

    rcal is an interactive calculator for DOS, that loosely mimics the behavior of "roller printing" calculators. It supports huge numbers, floating point and has extremely low hardware requirements.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next