An early Lotus-compatible relational spreadsheet from Paperback Software. In 1991, it was taken off the market due to a settlement of Lotus' copyright lawsuit.
"VP Planner." YourDictionary, n.d. Web. 16 August 2018. <http://www.yourdictionary.com/vp-planner>.
VP Planner. (n.d.). Retrieved August 16th, 2018, from http://www.yourdictionary.com/vp-planner