# PicoCalc – Open-Source Graphing Calculator

**PicoCalc** is an open-source graphing calculator powered by **Raspberry Pi RP2040**, designed and developed by **ClockworkPi**. It provides a versatile platform for learning, programming, and expanding functionality through hardware and software modifications.


![picocalc](https://github.com/clockworkpi/PicoCalc/blob/master/wiki/PicoCalc.png)


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## 📌 Features
- **RP2040-based** graphing calculator with open-source firmware.
- **Expandable hardware** with SPI/I²C/UART for external peripherals.
- **Support for Micropython & C/C++ development** using the Raspberry Pi Pico SDK.
- **Customizable keypad & UI**, allowing users to modify functionalities.
- **USB-C powered**, with optional battery support.
- **Compatible with 3D-printed cases**, making it an ideal DIY project.

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## 🛠 Development & Customization  

PicoCalc supports **C/C++ development** via Pico SDK,The firmware can be modified to include new features such as:

- Graphing functions and scientific calculations.
- I²C/SPI communication for interfacing with external sensors.
- Keyboard remapping and custom UI modifications. 


See the [Code](https://github.com/clockworkpi/PicoCalc/Code) directory for sample applications.

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## 📢 Community & Support  
- Official website: [clockworkpi.com](https://forum.clockworkpi.com/)
- Forum: [ClockworkPi Community](https://forum.clockworkpi.com/)
- GitHub Issues: [Report Bugs & Features](https://github.com/clockworkpi/PicoCalc/issues)