![Function key / Computer keyboard / Menu / Computing / GUI widget / Electronic engineering / HP-42S / HP-41C / Programmable calculators / Graphical user interface elements / Human–computer interaction Function key / Computer keyboard / Menu / Computing / GUI widget / Electronic engineering / HP-42S / HP-41C / Programmable calculators / Graphical user interface elements / Human–computer interaction](https://www.pdfsearch.io/img/0a27f76142a18604dd764a0ae2264137.jpg) Date: 2010-01-16 19:53:51Function key Computer keyboard Menu Computing GUI widget Electronic engineering HP-42S HP-41C Programmable calculators Graphical user interface elements Human–computer interaction | | The HP20b Calculator: A Missed Opportunity? Jake Schwartz This month, Hewlett-Packard formally introduces the HP20b Financial Consultant, a low-cost machine which combines many of the most popular financial and business Add to Reading ListSource URL: www.pahhc.orgDownload Document from Source Website File Size: 286,41 KBShare Document on Facebook
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