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.
and for many engineers that calculator was from HP. Today’s students are more likely to have a TI or Casio calculator, but HP is still in there with the HP Prime. It is hard to call it a ...
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 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 ...