In the era of digital technology, the integration of computational tools into education and professional practices has become essential. This project serves as a practical tool for students and ...

CONCLUSION In conclusion, the development of a simple calculator using Arduino and a keypad underscores the versatility and accessibility of microcontroller-based systems in practical applications.

But not so if you’ve got this beautiful custom RPN calculator in a wooden case. This one comes to us from [Shinsaku Hiura], who generally dazzles us with unique mechanical clocks and displays.

We’ve all got calculators on our phones, in our web browsers, and even in the home “assistant” that’s listening in on your conversations all day on the off chance you blurt … ...