How to Build a Calculator App with Qt C++

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How to Build a Calculator App with Qt C++


Build a Calculator App from Scratch with Qt C++!

In this video, you'll learn how to create a calculator application using the powerful Qt framework and C++. Whether you're new to Qt or just looking for a fun project, this tutorial will guide you step-by-step through the entire process.

We'll cover everything from:

Setting up your Qt development environment
Designing the user interface (UI) with buttons, labels, and a display
Handling user input and button clicks
Implementing core calculator functionality like addition, subtraction, multiplication, and division
(Optional) Adding advanced features like memory functions or scientific calculations

By the end of this video, you'll have a working calculator application and a solid understanding of key Qt concepts like signals, slots, and widgets.

This is a great project for beginners to practice their C++ skills and explore the world of Qt application development.

Get ready to code and unleash your inner developer!

[Leave a comment below] if you have any questions or feature requests for future videos.


I am a Qt C++ Software engineer and artist that enjoys the Qt framework immensly. I thought it would be fun to share some ideas and knowledge with the community. Please engage and participate in the coding experience. Share your thoughts in the comments section and press the thumbs up for videos you like and thumbs down for videos that I may improve upon.