Our museum is temporarily closed to support the effort to contain the spread of COVID-19. Read a message from our director, and check our website and social media for updates.

Add new comment

My first calculator bought for stats class in fall '73. $60+ so very expensive; but what a move up from a slide rule! Having a square root key was like magic. The red numbers would go blank for a moment when you hit the = sign. One of the truly smart guys in the snack bar could usually come up with the answer before the SR-10 flashed the answer!