Tag Archives: math

Recommended Math

Math DIY – How to Make a Skewer Hyperboloid!

Here’s a great way for you to learn about hyperboloids, by learning to make one yourself!

(via make)

Very neat stuff indeed!  Seriously, this could be used for crafts and other neat projects even if you don’t care about the math.

This is a hyperboloid (also called a “hyperboloid of one sheet”). It is a smooth continuous su

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Alpha Mats Can Improve your Math SAT Scores!

video://www.youtube.com/watch?v=OA_rigcKd58

Here’s a rather geeky fitness mat for improving your math SAT scores while getting some exercise.  This might be a great “right-brain-left-brain” exercise where your motor skills and logic skills can be developed together.  If you are a teacher, you might want to consider adding something like this to your class regime.

Alpha-Numeric Mats provides Fitness Based Intelligence for the education market, kids fitness, learni

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DIY – How to Make a Glass Whiteboard!

Here’s a really cool DIY that shows you how to make a glass whiteboard.  As fond of whiteboards I am, I will have to try this myself one day when I get a bigger house.

This instructable will show how to build a glass whiteboard that will never wear out and never ghost. The size I made mine was 28 inches by 54 inches and was NOT made to freestand as it would take up too much room in my sons college apartment. Total cost was a very reasonable $60-65, and took a weekend to build and finish (minus the time going to and from stores!). The glass

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Japanese Pet Clock counts time in dog years!

Here’s a brilliant pet clock from Japan.  It’s a clock customized for your dog or cat as time accelerated 7 times so you get a real “dog” (cat) years for keeping track of how old your pet is. (in his/her terms)

Thankfully though, this Pet Care Clock from Sega Toys is designed to do the difficult math for you. It’s your standard LCD desk clock that shows the time and date, but once you enter your pet’s birth date and specify their approximate size, the clock will also show you their supposed age. (Calculated with a varie

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DIY Rangefinder can tell distance using a Web Cam!

DIY Rangefinder can tell distance using a Web Cam!

Here’s a great free application that will turn your web cam into a range finder that can tell distance simply by calculating the height of stuff. Now, this will work really well on the golf course as the flagstick in golf is always the same. (of course, there’s a different stand for USGA and the UK so…)

This site will show you how you can convert your webcam into a modern range estimation tool without any hardware. The math is very simple, so this new technique works very well for vis

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Fun Math Trick Video

video://www.metacafe.com/watch/1403623/amazing_math_trick/

Here’s video of a fun math trick.

via metacafe

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DIY – HOWTO create professional look to your cds using the DYMO DiscPainter CD/DVD Printer!

video://www.youtube.com/watch?v=lEah___nNmU

Wow, check this out. DYMO’s DiscPainter can help you create professional quality CD covers so you can keep working from home like me. :p

The DYMO DiscPainter creates excellent artwork for your CD’s and DVD’s, and it does it in a speedy fashion, but the real downfall of this device is the cost of operation. The device itself costs $280. The ink cartridges cost $39 a piece, which puts the the cost per disc at $0.39 for the cost of ink alone. You also have to factor in the cost of th

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WordPress Anti-SPAM Plugin – Math Comments Plugin

After receiving DoS (Denial of Service) attacks from hackers and whatnot, we’ve decided to permanently place the Math Comments Plugin. Basically, robots won’t be able to waste any of our server’s precious time and bandwidth. I’ve seen almost zero SPAM comments on our other blogs such as Bedzine Mattress Store and Keetsa Mattress Store after this plugin was installed along with

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