This episode features SynCalc, originally released in 1983 by Synapse Software.  It was also released in 1985 by Br0derbund under the Synapse branding.  It was programmed by Mike Silva. Podcast: Download Box and Supplement Scans Scan of the front of the box (1983):   Scan of the back of the box (1983):   Synapse Catalog page … More S2E08 Synapse SynCalc – Supplement