HP Calc with good IR transmitter

[brouhaha]

(03-27-2023 09:07 PM)matalog Wrote:  Which of the HP calculators would I be best to get if I want it to be as cheap as possible but having a decent IR comms port? I say decent, as the HP 50g's IR wasn't as good as others.

Decent for what? Probably none of them.

All of them are deliberately designed to have very short range. They're intended for use with an 82240 printer up close, or a second calculator up close and directly head-to-head.