Why reach for a bland, commercially available calculator when you be using a model that employs RPN (Reverse Polish ... everything you could wish for in a scientific calculator.
OpenRPNCalc is a scientific calculator based on STM32 microcontroller. Its source code, schematics and 3D-printed case design files are released under open license. The hardware is inspired by the ...
The slide rule sword gave way to calculators hanging from your belt loop, and for many engineers that calculator was from HP. Today’s students are more likely to have a TI or Casio calculator ...
The CG-35 is a CircuitPython powered HP-35-like RPN calculator for the Adafruit ESP32-S3 Feather and 3.5-inch TFT FeatherWing display with capacitive touch. The calculator consists of a 10-digit LED ...