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Showing posts from June, 2006

How I love my HP-16C

A while ago I bought an HP-16C calculator on eBay. It wasn't cheap and there was no manual; the calculator itself works fine and is in almost mint condition. Since then I've fallen in love with the device. You probably think I'm nuts to be using a calculator that was discontinued in 1989 and only 203 bytes of memory. And I had to pay extra to get a PDF version of the scanned original manual. Perhaps I am crazy, but here's why I love this little machine: 1. RPN. You either love this or hate it. This is my first RPN calculator and for me RPN is the right way to use a calculator. I read a short introduction to RPN tricks (of which there are very few, but filling the stack for repeated operations is one and using LST x to prevent the stack from moving is another). 2. The industrial design of HP calculators is pure art. They are the right size for your hand, the keyboard is clearly marked, keys are spaced far apart (which avoids fat fingers like mine) and th