THE AMATEUR SCIENTIST ON CD-ROM - LATEST EDITION
Posted: Thu Jan 31, 2019 2:33 pm
Occasionally, Surplus Shed has this on sale... At 14.75 + shipping it is a good deal...
https://www.surplusshed.com/pages/item/M2071.html
BillT
https://www.surplusshed.com/pages/item/M2071.html
BillT