IBM 402

IBM 407
An IBM 403 accounting machine with built-in printer (left) wired to an IBM 514 summary punch (center).
Typetabulating machine
Release date1948; 76 years ago (1948)
PredecessorIBM 401, IBM 405
RelatedIBM 407
IBM 402 control panel wiring. This board was labeled "profit & loss summary."

The IBM 402 and IBM 403 Accounting Machines were tabulating machines introduced by International Business Machines in the late 1940s.