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Issue 28, July 2012

Calculating solutions powered by HP

Welcome to the twenty-eighth edition of the HP Solve newsletter. Learn calculation concepts, get advice to help you succeed in the office or the classroom, and be the first to find out about new HP calculating solutions and special offers.

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In the spotlight

Don't get caught with a high school calculator in a college classroom. Get your new HP 10bII+ or 50g graphing calculator during back to school season.

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Your articles

HP has partnered with the China Ministry of Education to introduce graphing calculators and data collection technologies into high school math classes, enhancing education.

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Namir Shammas

Namir explores an improved Newton's method for finding roots that all students learn in school. The Ostrowski method is examined, explained and exampled with programs for the HP 39gII and the repurposed HP-30b.

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Richard J. Nelson

Here is a historical review of how HP has managed the use of data registers and memory usage on their first decade of calculators, the `70's. Many of these early methods are still in use today.

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Richard J. Nelson

You press the "ON" key and nothing happens, now what? You replace the batteries and still have a blank display, do you throw it out and buy a new one? The most powerful technique to knowing what is or is not going on in your calculator is to monitor the current it draws.

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Richard J. Nelson

How do you know that the answer you have just calculated is correct? A few easy to learn (or review) techniques may be applied to approximate the answer so that you could even get by without the use of a calculator if necessary.

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Richard J. Nelson

Calculators must be easy to use. Here is an idea for making them even easier and more convenient for problem solving. What do you think of this idea?

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Learn more about current articles and feedback from the latest Solve newsletter including a new One Minute Marvels and HP user community news.

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Richard J. Nelson

One of the reasons why calculators are still popular is their efficiency. This article reviews what this means and dispels some of the arguments made to discount calculator usage.

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