会计机
会计机是人們为特定的商业活动（如开票、工资）量身定做的计算器和打印机组合體。[1][2][3]会计机在20世纪初至80年代非常普遍，但由于低成本的计算机（如IBM PC）的出现而被淘汰了。
参考文献
- ^ Turck, J.A.V. Origin of Modern calculating Machines. The Western Society of Engineers. 1921.
- ^ Cortada, James W. Before the Computer; IBM, NCR, Burroughs & Remmington Rand & The Industry They Created 1865-1956. Princeton University Press. 1993: 158–162. ISBN 0-691-04807-X.
- ^ Akera, Atsushi; Nebeker, Frederik. From 0 to 1: An Authoritative History of Modern Computing. Oxford University Press. 2002. ISBN 0-19-514025-7.