I always loved my HP-41CV. Despite all my modern calculators it remains the most frequently used one. The differences in performance between my vintage HP-41CV an my new acquired HP-41CL is incredible!

If you like the mythical HP 41C, you are going to love the HP 41CL. It is definitively the best calculator ever: even the Riemann's zeta function is available. José made a fantastic job in modifying the calculator: do not miss this fantastic device.

My old and beloved HP-41CX, rated immortal, unfortunately died some day. José tried resusctiation, but alas to no avail.
It was replaced by a younger HP-41CL: superfast, all the blessings of the CX included, and rated immortal as well. I almost might forget the late CX.
Thanks José, your service is second tot none!