The hand -- The abacus -- The slide rule -- The clockwork age -- The arithmometer and the curta -- The Friden STW-10 -- The Casio 14-A -- The Sumlock Anita -- The Olivetti Programma 101 -- The Texas Instruments Cal Tech -- The Busicom 141-PF -- The Hewlett-Packard HP-35 -- The Pulsar Time computer calculator -- The Texas Instruments TI-81 -- Software Arts Visicalc

"The hidden history of the pocket calculator -- a device that ushered in modern mathematics, helped build the atomic bomb, and went with us to the moon -- and the mathematicians, designers, and inventors who brought it to life." -- back cover