A Flutter calculator app for seamless mathematical operations with source code

Flutter Calculator app

Introducing a versatile mobile calculator app for seamless mathematical operations. From basic arithmetic to advanced functions, effortlessly calculate sums, substractions, multiplies, divisions, percentages, and more. A user-friendly interface ensures quick and accurate computations on the go.


  • Sum : Addition calculation functionality for quick arithmetic operations.
  • Subtract : Perform subtraction with ease for precise numerical results.
  • Percent : Calculate percentages effortlessly for various mathematical scenarios.
  • Multiply : Swift multiplication capability for efficient and accurate mathematical operations.
  • Divide : Divide numbers seamlessly with this convenient mobile calculator application..


Calculator uses a number of open source projects to work properly :

  • Dart – Dart is a versatile, client-optimized programming language, developed by Google, known for building cross-platform mobile, web, and desktop applications.
  • Swift – Swift is a fast and modern programming language developed by Apple, designed for building iOS, macOS, watchOS, and tvOS applications.
  • Kotlin – Kotlin is a modern, concise, and interoperable programming language for Android development, known for its simplicity, safety, and seamless integration with Java.


User Interface

Light Mode

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Flutter calculator app

Dark Mode

Dark Mode






Zenta.Code – Violia (2023)

Resources Used:

You can check out the entire code of this App here:

Get Full Source Code

View Github


This was all about a quick go through the basic flutter App UI Screen. If you need any assistance regarding flutter app development, you can consult a flutter developer from FlutterDesk. We would love to be of help. Still, if you feel any difficult while dealing with Flutter app development projects, you can reach out to us or hire Flutter developers to outsource any of your app development project.

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Happy coding! 😉



Hey, I'm Deepika a professional blogger and Experienced in Mobile app developer (Flutter, Android and iOS) Technically sound Post graduated M.Tech in Computer Science and Engineering. I Love to gain every type of knowledge that's why i have done many courses in different fields like engineering and technology. Skilled in Java, HTML, CSS,Bootstrap,j query PHP, Python, SQL, C, C++,Firebase,MySQL,SQLite,JavaScript. Also I have learned Networking.


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