KhanAcademy’s free educational videos have been viewed 178 million times on YouTube. Now they’ve launched a “Computer Science” program that teaches kids and adults how to handle JavaScript; that’s the computer language that dominates the Web.
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You can type anything you want into the Google search bar, and the more specific the question, the better the answer. Now you can also use Google to graph equations.
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We didn’t think the $115 price tag was worth it, but the new “4-bit Steel” watch from Cadence is already sold out. It uses a four-bit binary number system to mark the hours. You don’t need to know the binary system to read it, however, because the marks are all in the same position they would be on an ordinary analog watch. Still, the whole point is to raise your geek score.We tried a cheaper version, which sells for $90 from CadenceWatch.com and is not sold out yet. The only drawback was no glow in the dark minute and hour hands; only the second hand glows not too useful. Programmers should really zero in on this, because the binary system is [...]
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New version of Mathematica lets you use free form language instead of programming language.
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KhanAcademy.org has 1800 mini videos on science, banking, math, and history, all narrated by Sal Khan, a former hedge fund manager. Bill Gates is a fan. Its focus is math and science, but we watched a good video on the bailout.
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“Salary Comparison” lets you compare salaries in various U.S. cities. For example a $37,000 salary in Cleveland, Ohio is equivalent to a $60,000 salary in San Francisco, because the cost of living there is so much higher. Go to tinyurl.com/sconverter. The converter is by WolframAlpha, the mathematical software company.
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If you have a computer running Windows XP — and most of the world does, it’s worth going to the Microsoft home site (Microsoft.com) and downloading some power toys.
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Version 6 of Mathematica just came out. This is a serious program for mathematicians, engineers and students.
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The best part of the new “Microsoft Math” is what they call their “step by step” solution. You can enter an equation and they solve it and show you how they arrived at the solution.
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