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How To: Find real and imaginary parts of a complex number

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 support and study materials for use with students.

How To: Find the complex conjugate of a complex number

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 support and study materials for use with students.

How To: Find the polar form of a complex number

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 support and study materials for use with students.

How To: Play a simple melodic riff on electric guitar

To play a guitar riff is to do more than simply to memorize a short musical phrase. Guitar riffs are like any other musical exercise; practicing them can be a terrific means of building manual dexterity and improving your overall playing technique. We can say of riffs, then, that they are not so much about rote repetition as making available to the guitarist new and different ways of playing. Every new riff you learn will make you a more able and versatile guitarist and better equip you to st...

How To: Open Windows mail attachments on a Mac

When you're a Windows OS user it's very easy to send out attachments on emails as .doc documents, made in Microsoft Office or Excel. But just because you're a Windows user doesn't mean your friend or coworker is. Or say that you're a MAC user and your friend keeps loading you with Microsoft Office documents. What do you do, other than telling him to stop already?

How To: Be a human calculator

Before we had the calculator and before we had the abacus we had the human brain to complete our math problems for us. Remember that? Well, it seems that few of us do, resorting to calculators on our phone for elementary subtraction problems and multiplication.

How To: Play Diwaniya, Iraq on Splinter Cell: Conviction

Take a trip into the past as Sam Fisher gets captured by terrorists in the Iraq War. Instead of playing as Sam, you'll be playing the part of Victor Coste — the only man Sam trusts. Find out how Coste saved Fisher's life in this walkthrough for the Diwaniya, Iraq (Mission 4). What happens that day in Diwaniyah? Find out.

How To: Identify and control problems with pine trees

First of all whenever there is low rainfall and higher heat then there are problems.You shall notice that there are brown colored needles which dry up and then drop of. Sometimes they start at the tip and then move towards the branch. This shows drought and you need to soak in lots of water to overcome. However if you notice the brown needles going from the middle to the tip then these are due to natural process. Another problem is the presence of spider mite. Take a white sheet of paper and ...

How To: Buy flowers for your girlfriend

Sure, you can go online and send the first flowers you see, but a little thought and planning will go a long way toward impressing her. Sure, you can go online and send the first flowers you see, but a little thought and planning will go a long way toward impressing her. You will need a friend or relative of the recipient. Send her favorite. If she’s ever mentioned a favorite flower, buy that. You’ll get bonus points for listening to her. If you have no clue, ask a friend or relative of hers ...

How To: Make a Chinese chicken lettuce wrap

All about cooking Chinese chicken wrap this segment. The ingredients needed for this are 200 gm of boneless chicken, ice burg lettuce one spring onion, one teaspoon of black vinegar, half teaspoon of chili powder, 10 ml of Chinese wine, half teaspoon of Sesame oil, half teaspoon of sugar, chili paste half teaspoon of finely chopped garlic. In addition, you add salt and pepper for taste, one teaspoon of vegetable oil and sesame seeds. Take a pan. Pour some oil. Heat it. Take the chicken. Cut t...

How To: Created rounded corners in GIMP

Video demonstrates how to make rounded corners in GIMP. First step is to open an image. The image needs to have transparency for this to work. An alpha channel is to be added to the image. This can be done by going to the layer option in that select transparency and add alpha channel. By doing this if the picture grays out it means the image already has transparency and there is no need to add an alpha channel. Now Select option is selected and in that rounded rectangle is selected. The radiu...

How To: Graph linear inequalities

In this video the instructor shows how to graph linear inequalities. A linear in a equation is almost similar to a linear equation except for the sign in the equation. Now treat the in equation as a linear equation and graph the line. So substitute the lesser than or greater than symbol in the liner in equation with the equals to sign and graph the equation. Find the slope of the equation and identify the points that the line passes through. Now take a point on the either side of the pointed ...

How To: Jailbreak an iPod Touch or iPhone firmware 3.1.2

Blackra1n is one of the easiest jailbreak programs made. This jailbreak works for iPod Touch 1G, 2G, and the iPhone 1G and 3G. For an iPhone 3GS or an iPod 3G, this will be a tethered jailbreak, meaning that if you want to reboot your device, you will have to reconnect it to your computer and re-jailbreak. For iPhones, it will also update your base band, meaning that if you were using a service provider that wasn't AT&T, it will reset it to use AT&T again. This jailbreak is very easy. Go to b...

How To: Find the slope of a line

Learn how to find the slope of a line in this math tutorial. Whether you're doing your math homework or trying to figure out how steep a mountain is, the slope of a line is simple to calculate and has many practical uses.

How To: Understand & Use IPv4 to Navigate a Network

You may not know it, but the IPv4 address of your computer contains tons of useful information about whatever Wi-Fi network you're on. By knowing what your IPv4 address and subnet mask are telling you, you can easily scan the whole network range, locate the router, and discover other devices on the same network.

How To: Check if Your Apps Are Targeting Oreo

Starting November 1, 2018, Google will require that all new apps and updates to existing apps target Android 8.0 Oreo or higher. This move means the developers behind many of your favorite apps are now scrambling to get their software modernized, while others are considering abandoning outdated apps altogether.