![IBM Automatic Sequence Controlled Calculator (Mark I), circa 1944 - US Patent and Trademark Office - USA Stock Photo - Alamy IBM Automatic Sequence Controlled Calculator (Mark I), circa 1944 - US Patent and Trademark Office - USA Stock Photo - Alamy](https://c8.alamy.com/comp/FJ8CE3/ibm-automatic-sequence-controlled-calculator-mark-i-circa-1944-us-FJ8CE3.jpg)
IBM Automatic Sequence Controlled Calculator (Mark I), circa 1944 - US Patent and Trademark Office - USA Stock Photo - Alamy
![IBM's Card programmed Computer/calculator (CPC). Type 941 Storage Unit, Type 412-418 Accounting Machine, Type 605 Electronic Calculator, Type 527 High-Speed Punch | 102646588 | Computer History Museum IBM's Card programmed Computer/calculator (CPC). Type 941 Storage Unit, Type 412-418 Accounting Machine, Type 605 Electronic Calculator, Type 527 High-Speed Punch | 102646588 | Computer History Museum](https://archive.computerhistory.org/resources/still-image/IBM/IBM_CPC/IBM.CPC.1949.102646588.lg.jpg)
IBM's Card programmed Computer/calculator (CPC). Type 941 Storage Unit, Type 412-418 Accounting Machine, Type 605 Electronic Calculator, Type 527 High-Speed Punch | 102646588 | Computer History Museum
![Side profile of a technician working on a computer, IBM Naval Ordnance Research Calculator, IBM Watson Laboratory, Columbia University, New York City, New York State, USA, 1954 Poster Print (24 x 36) : Side profile of a technician working on a computer, IBM Naval Ordnance Research Calculator, IBM Watson Laboratory, Columbia University, New York City, New York State, USA, 1954 Poster Print (24 x 36) :](https://m.media-amazon.com/images/I/511CMHCCoBL._AC_UF894,1000_QL80_.jpg)