The IBM 609 Calculator. Announced 26 April 1960 and withdrawn 1 July 1968. This is a faster version of the solid-state 608 , and the last of IBM's line of punched-card calculators.

The IBM 609 solid-state calculator dramatically uses the latest electronic advances in data process­ ing to bring you swift, extensive, calculating abil­ ities, at amazing! y low cost. • …

IBM Scientific Computing Forum Proceedings and Technical Newsletters from the 1950s are full of articles describing CPC applications and techniques. Also see: IBM 402, IBM 405, IBM 407, …

The IBM 609 Calculator¹, announced April 26, 1960 and withdrawn in July 1968. It was a faster version of the solid-state 608, and the last of IBM's line of punched-card calculators².

1960: The IBM 609 Calculator, an improved 608 with core memory. This will be IBMs last punched card calculator. [63] Many organizations were loath to alter systems that were …

2018年5月4日 · 1、搞明白通信接口（通过通信端口的PCB走线找到连接的接口芯片然后ICPDF），然后看看是否有对应的打印机协议（一般都是使用类似打样机的ESC通信协议）， …

2022年9月3日 · From the bitsavers.org collection, a scanned-in computer-related document.ibm :: 609 :: 520-1269 IBM 609 Brochure

Plugboard for Tabulator IBM 444. Plugboard for IBM 609 Calculator. This program has been used to perform tax deduction calculations. ... Each column and perforation is copied from one stack …

2019年8月14日 · the IBM 609 was their best calculator. http://www.columbia.edu/cu/computinghistory/609.html It was introduced in 1960 and …

IBM 609, Calculator: Reference manual / IBM World Trade Corporations By: IBM World Trade Corporations; Material type: Text Publication details: New Delhi: IMB World Trade …