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How To: Find how many toothpicks will be needed to form the nth figure in a sequence

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to employ inductive reasoning to determine the number of toothpicks you'll require to generate the nth (e.g., the 50th) figure in a sequence of figures.

How To: Use gendered nouns appropriately in German

Nouns in German have three main genders - masculine, feminine and neuter. Which gender a word is determine several other grammatical rules, so it's always important to know the correct one when speaking German. This lesson shows the difference between the three genders and how the articles and pronouns are spelled differently based on the gender of the noun.

How To: Help your kids have fun while studying

Kids would usually rather play than do their homework, but follow these parenting tips to make studying fun for them. Determine your child's learning style, and tailor homework time specially for them. Remove distractions from the environment so kids can focus on their education and passing the next test.

How To: Figure out the placement of your skylight

If you plan on installing a skylight to your home, then you need to figure out where to place it and how big it needs to be. There are many ways to do this, but with this tutorial, you'll find out how to figure out the placement of your skylight. This isn't very difficult and will help determine just where your skylight will be. So good luck and enjoy!

How To: Compare two or more fractions in basic math

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to determine whether two fractions are equivalent.

How To: Select the right wall color for your room

Choosing which paint is right for your room, is easier than it is today than in the past. Instead of just using paint swatches to help determine what color your room should be, buying paint samples from the store is a great way to see quick results. There are some other methods, too, when trying to select the right wall color for your room, so check out the video to find out more. Enjoy!

How To: Find credit for a partial invoice payment in MS Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 47th installment in his "Business Math" series of free video lessons, you'll learn how to determine credit given for partial payment of an invoice.

How To: Calculate NPV & IRR with a TI BAII Plus calculator

The video shows you how to calculate capital budgeting with a Texas Instruments BA2+ financial calculator. Capital budgeting will help you determine cash flows for given investments for a certain number of years in the future, thus helping you determine if the investment is worthwhile. The buttons you will use are the CF (cashflows) button, the NPV (net present value) button, and the IRR (internal rate of return) button. The video uses the example of a $10,000 investment that will return $5,0...

How To: Read a paper map

Have you ever found yourself lost in the Appalachian Mountains, or stranded in the Mojave Desert? Maybe it was because you couldn't read a map… a real map… a real hands-on, folding paper map. Reading a map is an important skill that may be lost in the internet and GPS era, but it' s a skill that everyone should have.

How To: Replace or sharpen riding lawnmower blades with Lowe's

Back again with another great instructional video, Mike Kraft, a Lowe's home improvement expert, demonstrates how to properly sharpen or replace the lawnmower blades on a riding lawnmower. Mike provides tips on inspecting your worn lawnmower blades to determine whether or not your blades need to be replaced, or merely sharpened. This video will give you an idea of the tools you will need to complete this project, as well as the steps involved in both removing and re-installing the lawnmower d...

How To: Cook a honey-baked ham

Honey-baked ham is delicious, but it can be expensive and challenging to prepare. Fortunately, it doesn't have to be. If you want to cook a delicious ham without paying for the pre-made honey glaze and the preparation, here’s an easy way to do it yourself.

How To: Sell your stuff on eBay

Turn your possessions into cash and become an online selling machine. You will need: Something to sell, a computer with internet access, an eBay account, a digital camera, shipping supplies, something to sell,a computer with internet access, an eBay account, a digital camera, & shipping supplies.

How To: Detect hackers with netstat

Netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Unix, Unix-like, and Windows NT-based operating systems. This video tutorial presents a basic introduction to working with the netstat tool. Determine whether you've been hacked with this how-to.

How To: Bypass flash player region checks

Many flash movie players will disallow content to be shown to you if they determine that you're not in the correct region. This video tutorial presents a simple solution. (NB: While this works for the time being, it won't work forever, and so you'd be well served to take advantage of this while you can.)

How To: Create a sound on the cello

Watch this instructional cello playing video to learn how to create a sound on the cello. The sound production is composed of the various elements used to create the sound on the cello. There are three variables that determine the kind of sound produced: how much weight will you put into the string, the speed of the bow, where you put the bow. This tutorial is great for beginning cello players.