Canon F-800P full featured landscape with features of several HP Voyager models

[vaklaff]

(04-10-2022 08:31 AM)dmh Wrote:  So does anyone know definitively who the original manufacturer was?

Is it an original Canon and rebranded by others or actually made by someone else?

I'd like to know too. I'd bet on Citizen but I have no data, just gut feeling. The shared history predates SRP-175 and F-800P; the previous pair was SR-59 and F-73P. But I haven't found SR-59's production years so it's hard to tell...

(04-10-2022 08:31 AM)dmh Wrote:  Someone mentioned that the functionality was similar to non-programmable Canon calculators but I don't know if they were originally made by Canon either.

Canon F-73P is very similar to F-73 but not its successor. It's more like F-73 was a "dumbed down" version of F-73P. See http://www.datamath.org/Related/Canon/F-73.htm.