I brought a Wang 360 calculator console back to life with a modern “Electronic Package”. Not only does it emulate the original Wang calculator’s behavior, but it can operate as a nixie clock or as a Reverse Polish Notation calculator.
The Wang 300 series calculators consisted of an Electronic Package (as Wang called it), where calculations were executed using discrete diode-transistor logic, and up to four keyboard/display consoles. The consoles were basically dumb terminals: they were connected to the Electronic Package (EP) via a 30-conductor cable. The EP scanned the keyboard for key presses and displayed digits on the multiplexed nixie tubes.