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How To: Compare two decimal numbers in basic arithmetic

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 solve inequalities involving decimal numbers.

How To: Make a colorful paper bracelet with your kids

This is kind of like origami, except there is some glue involved, which diehard origamists would call cheating, but when it comes to your children, it's the perfect kids craft that they can enjoy year round! Making colorful paper bracelets is easy and fun for both you and your child. The perfect afternoon activity, and all you'll need to make one is:

How To: Rollerblade backwards

After you have mastered going forward and forward gliding you may want to expand your skill set and start skating backwards. You will use a simple undulating motion that will allow you to propel yourself backwards.

How To: Pull the Matchstick Men bar trick with sexy Francesca

Who better to demonstrate bar tricks than a cute girl bartender? Sexy Francesca shows you how to weasel your way out of a dinner bill with a trick involving a match. Brush up on your bar tricks so you can impress the ladies (or con your fellow barflies out of a dollar or two). Break presents bar tricks by Francesca. Learn how to pull the Matchstick Men bar trick.

How To: Relax a stressed out cat

This is amazing how cats reacts... Just try it ! This technique is simple and involves the rubbing of each of your kitty's ears in circles. Then press on the sides of his head gently. This will soothe his stress and he should start purring instantly.

How To: Make Arduino circuit boards for robotics

This week on Make Magazine is a project with parts from the Arduino Starter Kit. Skip over building the Proto Shield. Otherwise, it's a simple build that doesn't require any soldering. Arduino is a speaking control for robotics. It can be used in other Make kits or robotic projects. This is a circuit bending and circuit board project that involves basic circuitry and wiring.

How To: Make a giant holiday wreath for Christmas

Learn how to make this fun Christmas craft! Learn how to make this fun Christmas craft! Making a giant holiday wreath involves gluing a large ribbon bow to the top of a wreath, gluing down small presents, holly sprigs and trinkets and wrapping the excess ribbon around the greenery. Create a large Christmas wreath, adding any items that go with the holiday spirit, with instructions from an experienced craftswoman in this free video on Christmas crafts.

How To: Make a Santa face Christmas craft

Learn how to make this fun Christmas craft! Making a Santa Claus face involves gluing different colored poms together for the head, beard and hat, gluing googly eyes to the face and decorating the hat with smaller white poms. Create a crafty Santa Claus face with instructions from an experienced craftswoman in this free video on Christmas crafts.

How To: Create Gwen Stefani inspired makeup look

This instructional cosmetics video demonatrates how to create a Gwen Stefani inspired look. The Gwen Stefani look involves red and purple lips with plain eyeliner eyes. Products used in this video are BYS Eyeliner Duo Thick and Thin - Black, BYS Liquid Eyeliner -- Black, Exhibit Mascara -- Black, BYS Blusher -- Peach Sundae, BYS Lip Liner -- Rich Wine, and BYS Lipstick and Lipgloss Duo -- Chili Red.

How To: Create a Scarlett Johansson makeup look

This instructional cosmetics video demonstrates how to create a Scarlett Johansson inspired look. The Scarlett Johansson look involves soft eyes and nude lips -- day make up. Products used in this video are BYS Trio Eyeshadow Palette - #3 Purple, BYS Eyeliner Duo Thick and Thin - Black, BYS Liquid Eyeliner -- Black, Exhibit Mascara -- Black, BYS Eye Pencil - Mushroom, BYS Blush and Bronzer Compact -- High Shine, and BYS Lipstick and Lipgloss Duo -- Nearly Nude.

How To: Create makeup look inspired by Amy Winehouse

This instructional cosmetics video demonstrates how to create an Amy Winehouse inspired look. The Amy Winehouse look involves hick black eyeliner with red lips. Products used in this video are BYS Eyeliner Duo Thick and Thin - Black, Exhibit Liquid Eyeliner -- Black, BYS Shimmer Powder -- Black Beauty, BYS Waterproof Mascara - Black, BYS Long Life Lip Colour -- Hot Chilli, and BYS Blush and Bronze Compact -- High Shine.

How To: Map text files with MapForce

MapForce supports flat files as the source and/or target of any mapping involving XML, database, EDI, web services or other flat file data. In this how-to, you'll find instructions for mapping data from arbitrary text files (such as log files, CSV, fixed-width, and other legacy data sources) to databases and XML files.

How To: Make iced matcha green tea

Everyone loves a nice hot freshly brewed cup of matcha green tea. The hot summer months don't have to mean giving up your matcha tea. Make an iced matcha green tea instead. Watch this how to video to learn more about the simple methods involved in making iced matcha green tea.

How To: Make your own didgeridoo

Watch this music how-to video to learn how to make your own didgeridoo out of agave using the fire drilling method. This tutorial video on how to make a didgeridoo is not for beginners, as it involves chopping down the agave tree yourself and does not provide spoken instructions.

How To: Immobilize an injured victim

Wounds that involve underlying structures usually require immobilization. The purpose for immobilizing an injured victim is to provide support. This first aid how-to video demonstrates the proper technique for immobilizing someone who has serious wounds or injuries.

How To: Practice the backhand stroke for squash

If you have ever been curious about playing squash, watch this how to video. This is a quick squash playing tutorial that shows you the proper way to do the backhand stroke. This squash stroke involves a square shoulder, cocked wrist and the racquet out from the body at an eighty degree angle.

How To: Practice the forehand stroke for playing squash

If you have ever been curious about playing squash, watch this how to video. This is a quick squash playing tutorial that shows you the proper way to do the forehand stroke. This squash stroke involves properly holding the the racquet at shoulder height, dropping the forearm and holding the line on the ball.

How To: Grip a squash racquet with your thumb and index finger

If you have ever been curious about playing squash, watch this how to video. This is a quick squash playing tutorial that shows you how to properly hold a squash racquet. Properly gripping a racket involves the precise positioning of your thumb and index finger. So watch and learn how to start playing squash like a professional.