Free Calculators Search Results

How To: Use interval notation to express inequalities

Could you use a little help figuring out how to use interval notation to express inequalties? Watch this free video lesson. 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 (or just finish your homework or study for that next big test). With this free math tutorial, you'll learn how to give inequalities in interval nota...

How To: Find the inverse of a function in algebra

Need a little help figuring out how to find the inverse of a function in algebra? Watch this free video lesson. 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 (or just finish your homework or study for that next big test). With this free math tutorial, you'll learn how to calculate the inverse of a given algebraic fun...

How To: Calculate limits with algebra and series expansion

Looking for an easy way to find limits? Watch this free video lesson. 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 (or just finish your homework or study for that next big test). With this free math tutorial, you'll learn how to find limits using series expansion and little bit of algebra.

How To: Prove the log a + log b = log ab logarithm property

See how to prove the log a + log b = log ab logarithmic property with this free video math lesson. 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 (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll...

How To: Prove cos(a+b)=(cos a)(cos b)-(sin a)(sin b) in trig

Need help proving the cos(a+b) = (cos a)(cos b)-(sin a)(sin b) trigonometric identity? This free video lesson will show you how. 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 (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series ...

How To: Determine the equation of a trigonometric function

Need help in determining the amplitude and period of sine and cosine functions? This free video lesson will show you how. 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 (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free...

How To: Work with exponents (powers) in basic mathematics

Need help figuring out how to work with exponents in basic arithmetic? Find out with this free video lesson. 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 (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutoria...

How To: Tie a sliding Snell fisherman's knot

Know your knots! Learn to tie a sliding Snell fisherman's knot with this free video guide. When tying the sliding snell fishing knot, it's like tying the common snell, but you'll be adding an extra line. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful fisherman's knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Tie an uni loop fishing knot

Know your knots! With this free video tutorial, you'll learn how to tie a simple uni loop fishing knot. Uni loop fishing knots are made by creating a barrel knot and then sliding it back onto your hook. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful fisherman's knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Make a bimini twist fishing knot

Know your knots! With this free video tutorial, you'll learn how to tie a bimini twist fishing knot. A bimini twist fishing knot is best tied with a braided nylon rope, and it is often used on fishing boats. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful fisherman's knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Tie a constrictor knot

Know your knots! Learn to tie a constrictor knot with this free video guide. A constrictor knot is perfect for binding two pieces of rope or two objects together. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful binding knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Tie a simple overhand bend knot

Know your knots! With this free video tutorial, you'll learn how to tie a simple overhand bend knot. Overhand bend knots are extremely simple, but there are several variations to them as well. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful fisherman's knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Tie a bowline fishing knot

Know your knots! With this free video tutorial, you'll learn how to tie a bowline knot. The great thing about a bowline knot is that no matter how much tension is applied, it will always slip back out when you want it to. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful fisherman's knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Tie a simple chain knot

Know your knots! With this free video tutorial, you'll learn how to tie a simple chain jeweler's knot. Chain knots are attractive knots and are used in a lot of jewelry projects. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful crafter's knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Tie a reef fishing knot

Know your knots! With this free video tutorial, you'll learn how to tie a reef fishing knot. Tying a reef knot is similar to tying a square knot, and it can be tied on any type of fishing line. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful fisherman's knot in a minute's time or less, watch this free video knot tyer's guide.

How To: Program a mouselook scroll for Java game development

Want to write Java applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBoston will help you on your merry way to accomplishing just that. Specifically, this lesson will demonstrate how to work with the MouseLook class for a free look effect in Java game development. For detailed instructions, watch this programmer's guide.

How To: Do a Pop Tornado freerun trick

In this video tutorial, viewers learn how to do a pop tornado free-run trick. The pop tornado is the same as a tornado kick except he pop tornado does not have that extra step. Because there is no step, this move is more difficult to perform. Users should learn how to do the tornado kick before attempting this move. Start with a wide leg stance and turn the body. Then do a hook kick and set the feet down. Now quickly jump as you pull your arms in and spin the body. Lift the knee up. This vide...

How To: Do a palm-spin gainer in parkour or free running

In this how-to video, you will learn how to perform a palm spin gainer. This is useful if you enjoy free running and want to learn an awesome trick. First, place your right hand on the wall. Drive up your right leg up, as this will give you the rotation you need. The other leg is used for take off. Your hand will spin while you do this trick. Look over your shoulder to wear you are going to land. Make sure your legs are split while you perform this. This video gives you the proper tips and kn...

How To: Do a double leg freerun trick

In this video tutorial, viewers learn how to do a double leg free-run trick. This trick is similar to the side flip, except the side flip needs the legs to be tucked in while the double flip needs the feet to be kept straight. The double leg is at a 90 degree angle in mid-air. Keep your legs together and knees locked. Land on the balls of your feet. Never land on the heels or flat footed. This video will benefit those viewers who are interested in flexibility, aerobics and free-running, and w...

How To: Draw nine goldfish in free style

In this video, artist Henry Li, shows you how to draw nine goldfish in a free hand, loose style. He demonstrates proper hand placement, and technique in order to achieve a fluid motion to the piece. Nine goldfish is a good omen for Chinese, it suggest best fortune. Watch the magic happen as he shows you exactly how to achieve this excellent work of art.

How To: Call 911 using Ford SYNC

If it's an emergency, sometime you just don't have enough time or energy to pick up your mobile phone and call 9-1-1. Sometime you just can't move and the only thing still working is your mouth. Ford's new SYNC system provides an option for hands free 911 Assist. In a crash involving airbag deployment, 911 Assist places a call directly to a 911 operator. Your bluetooth phone must be on and stored somewhere inside the vehicle.

How To: Swing & pronate your tennis serve

Welcome to a tennis lesson from FuzzyYellowBalls, the the best place to learn how to play tennis online. Our free video tennis lessons teach you how to play the game in a new way that combines technical analysis, visual learning, and step-by-step progressions.

How To: Turn Vista into Windows 7 for free

This video demonstrates how to turn Windows Vista to Windows 7 for free. Make sure that you are running your PC on a Windows Vista OS. First, unlock your taskbar by right-clicking on it and unchecking the option. The space where your smaller application icons are located can now be made wider. Re-lock your taskbar once done. You can also right click and select View>Large Icons to make the icons look bigger. You can also download a free application at RocketDock which will make your Vista task...

How To: Make a lucky star from folded paper with origami

A demonstration on how to make a lucky star from folded paper with origami is shown in this video. For this you need to get a strip of paper. Attractive papers are available at the stores for this. First to start up take an end of the strip of paper and tie a knot, flatten it and bring it as close together as you can. Then with the small free end fold it in, flip it over fold the long free end in such a way as it gets a pentagon shape. Next flip the free end over the edges. Continue to turn i...

How To: Make a sign using a wood router

This is a video tutorial in the Home & Garden category where you are going to learn how to make a sign using a wood router free hand. For this you will need a router. The kind of router you use is not so very important. But, what is important is the router bit. It should be a “V” shaped bit for doing free hand work. There are lots of bits you can use. First you fix the depth of the cutter so that only a little bit of the router bit is exposed. You should not be seeing too much of the bit abov...

How To: Convert PDF to a Word document online for free

In this Computers & Programming video tutorial you will learn how to convert PDF to a Word document online for free. You cannot edit a PDF document. In order to edit it, you got to convert the PDF document to word document. Doing this conversion is really very easy and simple to do and takes practically no time. Simply go to the site ConvertPDFtoWord, browse for the PDF file that you want to convert to word and click on 'convert and download'. You will get the word version downloaded. It's th...

How To: Create a free flash website using Wix

In this video, we learn how to create a free flash website using Wix. First, log online and go to "www.wix.com" and either create a screen name or log into your account. Now, click on "create" and choose a premade template or make one from scratch. Now, change the background to a color you prefer, then add in a frame and different media to your page. You can also add a title to the website by clicking on the "text" section. You can play around with the different effects and additions, making ...

How To: Make & receive free phone calls with Google Voice

Google Voice was recently made available to the general public and now everyone will be able to use it. If you are looking for a way to stay connected to your friends and family for free, check out this clip. Voice will redirect calls straight to your home phone or cell and allows you to text, too! You can connect up to four phones to your account, as well, so you can use Google in the whole house. Enjoy!