 | |
 An IBM 403 accounting machine with built-in printer (left) wired to an IBM 514 summary punch (center). | |
| Type | tabulating machine |
|---|---|
| Release date | 1948 |
| Predecessor | IBM 401, IBM 405 |
| Related | IBM 407 |
The IBM 402 and IBM 403 Accounting Machines were tabulating machines introduced by International Business Machines in the late 1940s.