It is recommended that one not bother with the firmware that the PicoCalc ships with, and rather install new firmware on it. In this case, I would recommend installing the Picoware MicroPython port. See this thread:
It is recommended that one not bother with the firmware that the PicoCalc ships with, and rather install new firmware on it. In this case, I would recommend installing the Picoware MicroPython port. See this thread: