Five Interesting Facts About VisiCalc by Paul Epps on 31 Jan 2009 First spreadsheet program for personal computers (1979) First killer app for the Apple II First spreadsheet program for the IBM PC (1981) Still available as a free download from co-developer Dan Bricklin’s web site Full executable is only 27K! Click to share on X (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Mastodon (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window) Related Posts Personal Space At the Starbucks Drive-Thru Visualizing Social Networks