Games, tricks, and puzzles for a hand calculator: Plus: how to use a constant, find percents, work with fractions, use a memory, find roots and powers: Judd, Wallace: Amazon.com: Books
Games Calculators Play by Wallace Judd (Vintage Paperback, 1975) | eBay
Mid-70s calculator gaming on a pair of Commodore C-8s and several gaming booklets written at the time. : r/calculators
Games Calculators Play by Wallace Judd (Vintage Paperback, 1975) | eBay
evapotranspiration calculation using the Shuttleworth-Wallace formula, online calculator, Dalton formula, Penman formula, Penman-Monteith formula, Rosa D. Aguilar, Victor Miguel Ponce