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| How to calculate square roots in your head... no aspirin required. |
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| A liittle article on the old financial rule of 70. It explains how it works and introduces some new "rules" of my own:) |
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| | |  | Another article on quick head calculations explains how to quiclky divide a number by 9. |
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Automobile under the hood inspection |
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| | |  | I wrote this article for an automotive technology class I took in 2005. It is basically a visual guide showing how to inspect your vehicle "under-the-hood" to make sure things are running smoothly. |
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