Numbers

In this video the instructor explains the concepts of rational and irrational numbers. Multiplying a number by itself gives the value of its square. If you apply the square root to that squared number it returns to you the original number. This square root is also called a rad ...more

Check out this Thai language tutorial that teaches you how to count and say the numbers in Thai. Learn how to count and understand numbers. This lesson includes useful phrases and words for traveling in Thailand. Make sure you know these and enjoy the Thai culture, beaches and ...more

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 ...more

Want to multiply three or more fractions or mixed numbers? It's easy: Turn the mixed numbers into improper fractions. Cross cancel where you can. Multiply straight across. (simplify and reduce if you did not completely cross cancel). This free video math tutorial presents a co ...more

Knowing all the information about your car is important for many reasons. Some being for the fact that the government needs it and another being it can help with trying to find parts for the car. So in this very helpful tutorial, you'll find out how to locate the VIN ID number ...more

For example consider 1 and 2/3. In this mixed fraction 1 is the whole number and 2/3 is the fraction. You simply have to multiply the denominator with the whole number and add the numerator to the resulting answer. Consider the fraction 1 and 2/3.All you have to do is multiply ...more

In this tutorial, we learn how to apply flesh coat number 08 to a reborn baby doll. Start out by adding thinners and paint to your mixing tray. Then, grab your small brush and add in the flesh colored paint to the tray. Add in just enough to color the water just completely. No ...more

In this tutorial the instructor shows how to convert a improper fraction to mixed number. In the example the instructor takes the denominator of the mixed fraction and writes it beside and keeps adding it self to the latest number and he keeps on doing that way generating a se ...more

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 ...more

Khanacademy tackles problems involving multiplicative inverse (i.e. taking the number one and dividing it by that number) and dividing rational numbers in its simplest form (lowest common form). The multiplicative inverse of a number is where the number one is divided by the ...more

Looking for a guide on how to find the greatest common factor or GCF of any given two numbers? Look no further. 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 I ...more

This video shows us how to multiply mixed numbers with the whole numbers. First thing you need to do is to change the mixed number into an improper fraction by multiplying the denominator with the whole number and add the resulting number with the numerator. The resulting numb ...more

In this video, we learn how to divide bigger numbers. As an example, let's say you were dividing 843 by 13. To make this easier, write down the times tables for 13 down and keep adding up. After you do this, see how many times 13 goes into 84. Your table will tell you how many ...more

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 90th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the ...more

Want to divide a two-digit number into a bigger number still? Learn 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 follo ...more

This video teaches how to fill in the blanks with custom number format in Excel. Open any similar worksheet as shown in the video or type the same to use. Select all the cells in the columns E and F and press F5. Now click 'Specials', then select 'Blanks' and click 'OK'. All t ...more

Need to learn how to divide positive and negative numbers? This instructional video will teach you the step by step process that will make you comprehend how to divide positive and negative integers. Just watch and follow along and you will soon be a wiz at tackling these kind ...more

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 sup ...more

Professor ElvisZap teaches you about adding consecutive odd numbers. You can learn this faster by drawing squares near the numbers themselves. If you are doing 2x2, draw 4 squares. They will be arranged in columns of two. For 9 you will draw 3 columns of 3. 16 are 4 columns of ...more

In this video tutorial, you'll learn how to generate and customize the look of simple charts within the iWork '09-version of Numbers. For all the details, including step-by-step instructions, and to get started creating your own charts, take a look.

As you might guess, one of the domains in which Microsoft Excel really excels is finance 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 23rd installment in ...more

This simple video tutorial teaches you how to add mixed numbers with uncommon denominators. It takes a step-by-step approach to the issue by first explaining how to separate the whole numbers into whole numbers and fractions, and then adding up those two groups of numbers sepa ...more

This is Vedic multiplication or Waving multiplication. It also covers Fibonacci's Sieve or Lattice Multiplication, and John Napier's Bones multiplication.

This video illustrates the method of dividing real numbers. The process is composed of the following steps -Step 1Take any two real numbers. Convert them to rational numbers taking denominator as one.Step 2Find the LCM of their denominators and multiply both the numerators and ...more

Check out this informative video tutorial from Apple on how to format data values with the format bar in Numbers '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are eas ...more

Need help figuring out how to find the greatest common factor and/or the least common multiple of two given numbers? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have b ...more

A magic tutorial for how to do the number 13 card trick. The demonstrator tells you what to say and how to do the trick.

Multiplying positive and negative numbers may seem confusing. However, in this math tutorial, multiplying numbers with different or same signs is made easy and eliminates all confusion. The narrator of the video explains the key rules to remember when dealing with the possible ...more

Looking for a guide on how to sum and subtract negative integers? 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 th ...more

Gmail has been the best free email client for a while, but now it's even better. It has added a Skype-like service by which you can call any number in the US or Canada from the US or Canada for free. This video will show you how fast and easy it is to use this new feature to c ...more

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 489th installment in their series of digital spreadsheet magic tricks, you'll learn how to extract ...more

Not only is Poptropica fun, it's also chock full of fun Easter eggs. In this clip from YouTube's Poptropica Cheats, you'll learn how to unlock and use a number of the better ones. Specifically, this clip will teach you how to customize your cell phone number as well as persona ...more

Looking for a guide on how to calculate the greatest common divisor for two numbers? 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 e ...more

It may seem elementary to some, but there are still those (especially young children) who cannot add two numbers together. The easiest way to start out with addition is with the number line trick. This math video shows you the quick trick to learning simple addition problems. ...more

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 free math tutorial, you'll learn how to c ...more

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 102nd installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to count the number of days between ...more

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 17th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the ...more

Your first step is to bring your decimal point up to the top of the equation. The you divide the whole number into the decimal number. In this instance, 5 into 1.25. 5 goes into 1 0 times, so you put the zero in the first space. 5 goes into 12 twice, so you place a 2 up top, a ...more

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on adding numbers on a number line. This is basic arithmetic here, so, if you want to get into algebra, start with the basics.

Not really a magic trick but a nice little rigged game you can annoy people with. The goal of the game is to pick from a pile of chips without being the one to pick up the last chip. The other person will never be able to beat you.

In this math made simple series of tutorials the author shows how to find a percent of a number. He shows that to compute x percentage of something we need to movie decimal point in the percentage number two places to the left. There fore to compute the percentage of a number ...more

A tutorial on how to change the remote desktop port number in Windows.

Painting doesn't get any easier than this. Paint by numbers kits come with a drawing ready to be filled in with paint. Each section of the drawing is matched to a number on a paint pot. Use the right number for the right section, and voila, a foolproof masterpiece. Watch this ...more

Want to create a bulleted or numbered list in AutoCAD 2011? This clip will teach you everything you'll need to know. Whether you're new to Autodesk's popular 3D drafting application or a seasoned professional just looking to better acquaint yourself with the newest iteration o ...more

Watch this video to learn to say numbers 1 to 1,000 in Spanish.

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics s ...more

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this arithmetic lesson on adding with an abacus. Who needs an electronic calculator anyway? Well, these are some pretty big numbers. If you're scared of all things not-electronic, then stay away.

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on subtracting negative numbers. Don't get confused with those minus symbols. Learn how to manage them correctly, and with ease.

It is unbelievably simple to add or customize table headers and footers to your Numbers '08 spreadsheet document. Check it out in this iWork tutorial.

See how to find vacuum tube numbers for proper identification in an old radio by using a magnifying glass, a bright light, and a little forehead oil.

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this beginning-algebra three-part lesson on factoring numbers by grouping. This is the only math lesson where you'll learn how to cheat, so pay attention, but it's not what you think. Part 1 of 2 - How to ...more

If you're looking for an easy way to determine if a number is divisible by 3, then look no further than the divisibility rule. It's a shorthand way to tell if any given number can be divided by 3, without actually performing the division. Take the number in question, and if th ...more

Check out this informative video tutorial from Apple on how to get started using Numbers '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are easy in Pages. Numbers give ...more

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on adding negative numbers together. You'll learn the easiest way to do it, and maybe even freshen up on your subtracting skills. Don't waste your time in summer school, learn it h ...more

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 288th installment in their series of digital spreadsheet magic tricks, you'll learn how to count t ...more

When learning any language, numbers is a very important aspect, because numbers and math is universal. Knowing your numbers is essential, especially in Mandarin Chinese. Numbers in China follow a simple and regular system, and once you master the numbers 1 to 10, you will be r ...more