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

  • Award-Winning Medical Office Software Designed for Your Specialty Icon
    Award-Winning Medical Office Software Designed for Your Specialty

    Succeed and scale your practice with cloud-based, data-backed, AI-powered healthcare software.

    RXNT is an ambulatory healthcare technology pioneer that empowers medical practices and healthcare organizations to succeed and scale through innovative, data-backed, AI-powered software.
    Learn More
  • Skillfully - The future of skills based hiring Icon
    Skillfully - The future of skills based hiring

    Realistic Workplace Simulations that Show Applicant Skills in Action

    Skillfully transforms hiring through AI-powered skill simulations that show you how candidates actually perform before you hire them. Our platform helps companies cut through AI-generated resumes and rehearsed interviews by validating real capabilities in action. Through dynamic job specific simulations and skill-based assessments, companies like Bloomberg and McKinsey have cut screening time by 50% while dramatically improving hire quality.
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  • 1
    End of Day Daily Tracking Calculator. A quick and dirty text based calculator designed to give you week to date sales, labor cost, inventory over/shortage and ext.
    Downloads: 0 This Week
    Last Update:
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  • 2
    Programmable Calendric Calculator

    Programmable Calendric Calculator

    Convert between calendars and work with date ranges.

    This calculator will allow you to convert between many different world calendar schemes and calculate ranges and ages based on these calendars. The calculator also has a script language that allows you to create variations of the built-in calendars: calendars that shift the new year to a different day, hybrid calendars that switch between schemes, local observational calendars that depend on a particular location, year counts that change for specific eras (regnal calendars) and calendars that require adjustment due to subtle differences in calculation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    VremyaMetr - a tool to measure time and study it's laws. Remind about events + Date calculator + Work with periods + Create table + Kalachakra.
    Downloads: 0 This Week
    Last Update:
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  • 4
    Two full-fledged object-oriented classes dealing with dates (class cDate) and spans of time (class cPeriod) written in C++. The datecalc-cpp project is a sub-project of tbvs-hr (https://sourceforge.net/projects/tbvs-hr).
    Downloads: 0 This Week
    Last Update:
    See Project
  • SoftCo: Enterprise Invoice and P2P Automation Software Icon
    SoftCo: Enterprise Invoice and P2P Automation Software

    For companies that process over 20,000 invoices per year

    SoftCo Accounts Payable Automation processes all PO and non-PO supplier invoices electronically from capture and matching through to invoice approval and query management. SoftCoAP delivers unparalleled touchless automation by embedding AI across matching, coding, routing, and exception handling to minimize the number of supplier invoices requiring manual intervention. The result is 89% processing savings, supported by a context-aware AI Assistant that helps users understand exceptions, answer questions, and take the right action faster.
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