HHC2021 Bob's Calculator Challenge

[rprosperi]

(10-08-2021 06:47 PM)Jake Schwartz Wrote:  On the other hand, I saw the 18C at the 1986 CHIP special meeting in Chicago on 5/30/86 where HP's Janet Cryer and Nancy Ullman introduced it and also Rick Furr's poster confirms "6/86". Also, CHHU Chronicle V3N1P9 lists the HP Press Release, dated June 1, 1986.

Jake

Phew... salvation! So the HP-70 is right answer (not counting Ann Editions, etc. which have no official sales windows). Thanks Jake, so that keeps my Challenge mistakes down to 2... less than I imagined, but this carnage is not over yet I fear...