Cheap RPN calculator

[Steve Simpkin]

(06-22-2015 04:50 AM)TugDual Wrote:  But old and very slow machines. Before my 50g I purchased a second hand 48g because inwas attracted by the casing, keyboard and concept. I was quickly disappointed by the speed of another generation of machines and poor LCD screen that do no improve with time.
Even for simple calculations, speed brings comfort. I enjoyed the 15cle over the original one for that.

You would have really been disappointed if it had been a HP-48S or SX