Exchange programs from a "15C" calculator to a Windows or Android is possible
with only one calculator model : the DM15L
and with the HP-15C emulator by Torsten Manz on Windows
and the JRPN15C emulator on Android
and with TouchRPN emulator on Androïd and online.
The various original calculators Hewlett Packard, and the PX15C unfortunately cannot communicate with a PC and exchange data, apart from updating firmware.
the interface
The PH15C interface allows to generate :
either dumps from HP-15C source programs saved in .TXT or .15C files
or HP-15C source programs in .TXT from DM15L dumps saved in file .D15.
The dumps are exchanged with the DM15L using a USB cable and the PuTTY program .