Calculators

I love calculators – the different designs, financial calculators, scientific, programmable, etc. For a time, I use to collect them.

Hewlett-Packard, in my opinion, made the best ones. I still love Reverse Polish Notation (RPN). Texas Instruments made many different types but their quality was never as good as Hewlett-Packard. Sharp and Casio also produced a nice line of interesting calculators.

The internet provides many online calculators. There are also spreadsheets and of course Mathematica. Some interesting online calculators include:

What is your favorite calculator?

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About acohen843

I am a writer and ESL teacher who enjoys the challenge of starting businesses. Currently, I am a JuicePlus distributor (www.acohentakesjuiceplus.com) who is using this business opportunity as the foundation of a social entrepreneurship project.
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