Who uses the version 10077? [Solved]

[Stevetuc]

(08-18-2016 07:31 AM)Thomas Radtke Wrote:  

(08-17-2016 11:31 AM)jrozsas Wrote:  How is it that two calculators of the same model have different behavior?

There are two versions of the Prime. The older one had USB problems presumably.

I think there are three versions.. It's reported in another thread about a unit with high contrast keyboard, what looks like a new firmware, and maybe other differences. It's model number hasn't been reported.