NEW: HP 15C Collectors Edition

[Gerson W. Barbosa]

(08-11-2023 03:03 PM)johnb Wrote:  

(08-11-2023 02:47 PM)MarkB Wrote:  S/N 666 >:-)

Please let us know if your calculator starts showing up in strange places while you're not looking... or displays any other creepily nonstandard behavior...

Just another harmless number, apparently with no consequences either to math or the calculator. I tried the following in my older 15C, just in case…

240 ¹/ₓ 9 + x² 666 √x ÷ 666 ENTER 9 yˣ √x √x ¹/ₓ -