Open Source Mobile Operating Systems Calculators
Sort By:
Calculators for Mobile Operating Systems
Browse free open source Calculators and projects for Mobile Operating Systems below. Use the toggles on the left to filter open source Calculators by OS, license, language, programming language, and project status.
-
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
-
Enterprise-grade ITSM, for every businessFreshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
-
1
Simple Calculator
A calculator for quick simple calculations with a nice user interface
This stylish modern calculator offers a great user experience that you will love seeing. You can copy the result or formula to the clipboard by long-pressing it. You can also use this calculator as a currency converter to calculate your daily income and other amounts in different countries' currencies. With eye soothing dark theme, it is now easy for you to see buttons and numbers more easily and use this calculator for simple calculations or use it as a currency converter, or as a calculator and graphing calculator. You can also use this math calculator as a mortgage calculator. The app is a simple helper for fast calculations with many basic functions including multiplying, dividing, rooting, and powers. It also comes with a dark theme so that you can use this new technology to make your calculator look smoother and easier to use rather than using sharp colors provided in different calculators that can't help you concentrate on your complex calculations in this graphing calculator. -
2
Advanced Trigonometry Calculator
Precision Trigonometry: Advanced Calculator for Complex Math
Advanced Trigonometry Calculator is equipped with a user-friendly interface that allows for easy input of problems and instant computation. Professionals such as engineers who need to perform advanced trigonometric calculations in their work will find this tool extremely useful. ATC Online Alpha: https://advantrigoncalc.sourceforge.io/atc/ More info by clicking below: https://advantrigoncalc.sourceforge.io/ Advanced Trigonometry Calculator was only and always only developed by the Portuguese Renato Alexandre dos Santos Freitas. Also author of poems, reflections and thoughts published on the platform https://www.pensador.com/autor/renato_alexandre_dos_santos_freitas/ ATC is Made in Portugal. He was born in Coimbra on July 6, 1991. He has a degree in Electrical and Telecommunications Engineering and began developing ATC at the beginning of his undergraduate studies. He works for Miclearning, Lda since April 2020. Providing services to Multimac Hito Innovation. -
3
Scientific calculator for PalmOS and PocketPC with graphing, financial operations, number conversions, complex numbers and much more.
-
4
Insulin IP Calc
Insulin infusion protocol calculator
A simple, point of care, clinic decision support system (CDSS) Android app for Insulin infusion and hyperglycemia management in the ICU. The infusion protocol calculator is based on the updated "Yale Insulin Infusion Protocol" http://bit.ly/1DaVfUd and American Association of Clinical Endocrinologists (AACE) blood sugar targets. http://inpatient.aace.com/ . Source code requires Xamarin Studio & Android SDK to compile. -
Go from Code to Production URL in SecondsSkip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
-
5
Ballistic Calculator
Open Source Ballistic Calculator in C#
!!! This project is currently CLOSED. There is a new version of API available under LGPL license at https://github.com/gehtsoft-usa/BallisticCalculator1 There is a new version of application in progress (ported to net framework 5.0) https://github.com/nikolaygekht/ballistic.calculator.app Ballisitic Calculator based on JBM's implementation 3-degree of freedom model, ported to C#, improved to support metric system and extended by some math from Litz's "Applied Ballistic" book. Calculator displays ballistic tables, graphs, comparison graph and reticle images. The application is free to use under GNU license -
6
Wrong Answer Calculator
Wrong answer guaranteed, first time, every time.
Just a little mindless fun using beghilos or calculator spelling. -
7
Programmers Calculator is the original calculator for the Palm OS programmed by Gary T. Desrosiers generously donated into the public domain.
-
8
Calculator Plus
An advanced and open source calculator application for Android.
-
9
PeCalc
PeCalc is a polyvalent engineering calculator for S&T students
PeCalc allows making calculations with integer fractions, complex numbers, complex matrices, rational functions and complex polynomials. It also allows making changes of numeric base, prime factor decomposition, solving linear equation systems, statistical and financial computations, rational fraction decomposition and plotting some control engineering graphs. PeCalc includes comprehensive user help in English and Spanish. Currently PeCalc runs on Android and MS Windows. A version for GNU Linux is planned for the near future. It has been developed in Object Pascal using Embarcadero Delphi. A Lazarus/Free Pascal version will be available soon too. -
Go From AI Idea to AI App FastAccess Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
-
10
"A basic numerology calculator in JavaScript" A live demo is available at: https://pythagorean-numerology-calc.sourceforge.io/pnc.html Features: -Your connection with the 4 classic elements -Numerology chart calculation -Master numbers detection -Psychologic matrix chart calculator -Name calculation chart -Personal day calendar -Plain calculator for names or numbers -Name diagrams (Norman Shine) -Profiles manager -Unlimited number of profiles -Search and sort feature to find profiles easily -Small help section -Ability to save/export calculations, profiles, and charts -Runs offline as well as online
-
11
CGPA Calculator - UIU
You can Calculate CGPA and GPA
Hope you are well! The app will allow you to calculate your CGPA and GPA with credits and grades. Every one could use this app and you can calculate your CGPA and GPA if you institution has a grading system like United International University(UIU). Or you want us to update this app for your institution grading system then please leave a comment with your grading system details. Thank you! Instructions: 1. Enter CGPA (if you want to calculate your overall CGPA otherwise leave it blank) 2. Enter completed credits(if you enter CGPA otherwise leave it blank) 3. Select credits and grades it will automatically calculate 4. If you want to add more fields for course then select a grade of last row of course Features: 1. Ability to add more credits and grade field 2. It is developed based on United International University(UIU) grading system 3. Ability to calculate CGPA and GPA -
12
A calculator for dates. May calculate how many days there are between two dates or the next date from a starting date. Runs on Palm Os and Windows.
-
13
JoseWebApps
Some humble web applications
Here I publish some humble web applications that I have developped. -
14
danscalculator
A calculator I am working on
A simple calculator I have created -
15
zero
Privacy-first offline expense tracker. No cloud. No tracking.
zero is a privacy-first, fully offline expense tracking app for Android and iOS. Unlike most finance apps, zero does not require accounts, cloud sync, subscriptions, or internet access. All financial data stays locally on your device. There are no ads, no telemetry, and no analytics. zero helps you: • Track daily expenses in a clean timeline • Visualize spending with simple reports • Create unlimited custom categories • Manage lendings and borrowings • Export or delete your data anytime Built with a local-first philosophy, zero gives you full control over your financial data. Your data. Your device. Zero servers. Open source and actively maintained. -
16
-
17
Alcohol Calculator
Ein Alkohol Rechner
Dieser Alkohol Rechner gibt dem Nutzer die Möglichkeit ungefähr seinen Alkoholgehalt im Blut zu bestimmen. Alle Angaben des Programms sind natürlich ohne Gewähr und natürlich kann der Alkoholgehalt auch wesentlich höher oder niedriger sein. -
18
Android Calc
Standart android calculator mobile application
Standart android calculator mobile application -
19
AndroidBmiCalc
BMI calculator for Android.
BmiCalc is a simple app to track the body mass index. User can load and save the csv files with data. -
20
BallCalc is attempt to make a good, easy to use, full featured and FREE!!! ballistics calculator for the Windows Mobile based on the GNU External Ballistics engine, and eventually other, platforms.
-
21
Bar Calculator
Sum the drinks and food you consume
This application is done for mobile phones, to sum all your consumption at the bar or the restaurant. Easylie increase or decrease your beverages or add new stuff. -
22
-
23
Beschleunigung-berechnen
Various calculations related to acceleration and deceleration
- Diverse Berechnungen im Zusammenhang mit Beschleunigung und Verzögerung. - Various calculations related to acceleration and deceleration Topics: rechner berechnen calculator to calculate beschleunigen beschleunigung webpage webseite -
24
-
25
CalcTech
CalcTech: Custom themes and advanced editing for seamless calculations
CalcTech is the ultimate calculator app designed to blend powerful functionality with deep personalization. Tailored for students, professionals, and math enthusiasts, it goes far beyond basic arithmetic by offering an extensive suite of customizable features. The standout highlight of CalcTech is its advanced Theme Engine. Recognizing that a workspace should be as unique as the user, the app offers a vast array of aesthetic options. Users can choose from sleek dark modes for late-night study sessions, vibrant high-contrast palettes for clarity, or minimalist professional layouts. This visual flexibility ensures that the interface remains engaging and easy on the eyes during long hours of complex problem-solving. In addition to its looks, CalcTech provides unmatched Editing Versatility. Unlike standard calculators that force you to start over if you make a mistake, CalcTech features a sophisticated cursor-based editing system. This allows you to tap anywhere within a long equations
