esp32.diy

#calculator

1 open-source ESP32 project guide tagged #calculator: build steps, hardware and firmware.

NumOS: Build an ESP32-S3 Scientific Graphing Calculator
ESP32 Projects · Advanced

NumOS: Build an ESP32-S3 Scientific Graphing Calculator

Build NumOS, an open-source scientific graphing calculator OS on the ESP32-S3 with a color TFT display, CAS engine, and natural math rendering.

370 · C++ · Oct 13, 2026