Tell me about the HP 67

[Trond]

(12-25-2017 04:31 AM)Thomas Okken Wrote:  

(12-25-2017 04:26 AM)Trond Wrote:  So it looks like 67 has statistics (mean and SD) while 65 does not? Which other functions were added to the 67?

Just compare photos of the two here in the Museum. These two calculators do, after all, have all their functions on the keyboard, unlike many that came after.

Yes, I thought I "knew" that both had statistical functions, until I looked for it in vain on the HP 65