Hp 12c financial calculator 30th anniversary edition

HP 12C FINANCIAL CALCULATOR 30TH ANNIVERSARY EDITION SOFTWARE

'uh, your calculator is broken' b/c they don't know RPN! Owned mine for nearly 20 years still use it every day,' posted a Facebook user by the name Ravi Nagarajan on the fan page HP 12c Dorks. 'My favorite thing about the HP 12c? Loaning the calculator to someone and then having them say. Longtime devotees have found a home on Facebook, where they can heap praise on, and post tips related to, the HP 12c. But RPN wasn't a method that financial people were used to - not that it stopped them from embracing the 12c. It's simpler and more efficient than standard algebraic notation, Harms says, and it doesn't require bigger, multi-line screens like complex algebraic entry does. Most significantly, the calculator uses Reverse Polish Notation (RPN), which is a technique that governs how the user inputs a formula into the calculator. Some of the design decisions that Harms and his team made were a gamble.

HP 12C FINANCIAL CALCULATOR 30TH ANNIVERSARY EDITION SOFTWARE

I got to be the overall project manager for the 12c, which involved the electrical engineers, the mechanical engineers and the software people, which was pretty exciting.' 'I guess I did a good enough job with that, and I was promoted. I wrote the code for the calculators, too,' recalls Harms, who's still with HP today. One of the big things I did was working on the financial calculations, getting those accurate.

'My first jobs were around working the math behind the buttons on the calculators.

He was put in charge of creating a financial calculator that would be small enough fit in a shirt pocket, precise enough to exceed federal standards, and have a long battery life. Harms joined HP straight out of Iowa State, where he earned a PhD in numerical analysis. I have one in the office and two at home,' says Dennis Harms, who was the original project manager for the 12c. 'Very few dedicated 12c people only have one.

Hp 12c financial calculator 30th anniversary edition