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How To: Use imaginary numbers and quadratic equations

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: Write the square root of a negative 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: Multiply complex numbers

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: Represent complex numbers with the Argand Diagram

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: Calculate the modulus and argument 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: Use the Zoho Creator database application

While all Web 2.0 applications are by no means equal, certain among them can save you time, money, and frustration–one such web app is the Zoho Creator database utility, which is comparable to Access from the Microsoft Office suite. For more information, or to get started using the Zoho Creator online database application for yourself, take a look!

How To: Set up a MySQL database for Moodle in WebMin

Interested in teaching an online course using your own server but can't quite figure out how to install everything you'll need? This video demonstrates how to setup a MySQL database for use with Moodle, the free, open source course management utility, which requires a MySQL database to run. For step-by-step instructions, take a look.

How To: Record a screencast in Linux

From brute force hardware-based solutions like pointing a camcorder at your monitor to more elegant, software-based solutions like (the free and open source) Xvidcap, there are no shortage of ways to create a screencast while running Linux. In this how-to from Linux Journal Online, Shawn Powers offers a comparative look at many of the most popular techniques employed by Linux users.

How To: Create interactive presentations with VoiceThread

John explores some ideas on how you might use VoiceThread, a newcomer in the diverse Web2.0 space, that allows you to post pictures and video online and get input from others through voice-enabled comments. VT has some really cool possibilities for the educator. For now, at least, you can get a Pro-account as an educator and set up identities to use for students in your classroom. Teachers can also use VT to post presentations with narration.

How To: Do the double paradiddle

Learn the double paradiddle rudiment and a technique to "spice it up" a bit in this online video drum lesson. The double paradiddle is simply a rudiment to practice to improve coordination but can be used in your everyday playing.

How To: Access blocked websites and bypass proxy servers

Are you using the Internet at a school, library, or some other place that blocks or restricts web access? Mom and dad still trying to protect you from online predators, even though you're more than old enough to be one yourself? Learn how to bypass proxy servers that block access to certain websites by watching this how-to video. In this case it's done to access Myspace but this method can be used with any blocked website. Follow along with this video tutorial and never get hindered by restri...

How To: Choose baby bottles

Regardless of whether you choose to breast-feed or use formula to feed your infant, you will need baby bottles. This program offers some tips on selecting the best style of bottle for you and your child.

How To: Use Apple's iPhone 12 Studio to See How MagSafe Accessories Will Look on Your New Phone

There's a variety of brilliant colors in the iPhone 12 lineup, including the elegant Gold and show-stealing Pacific Blue finishes on the Pro models. It's difficult enough to choose an iPhone color as a customer, but deciding on accessories can make things even worse. Which color case looks best with what iPhone color? What about a MagSafe wallet attachment? Well, Apple has a tool to help you figure that all out.

How To: iOS 14 Makes It Easier to Turn Albums into Slideshows from the Photos App

A slideshow is a tried-and-true way to show off pictures and videos from your adventures, whether it's a long trip overseas, an extravagant wedding, or a quick hiking trip up a mountain. However, in iOS 13 and under, you could only start a slideshow from a photo or video or choose media individually to include in one. But iOS 14 makes it even easier to do in your iPhone's Photos app.

How To: Add PayPal to Google Pay as a Payment Method to Use in Gmail, YouTube & Other Google Services

On Android, you can connect your PayPal account to Google Pay so that you can use that as a payment option when checking out with Google's digital wallet platform. It even works across Google services like the Play Store, Gmail, YouTube, and the Google Store. If you have an iPhone, you can also use PayPal via Google Pay, but what you can do is limited.

How To: 7 Free Pass 'n' Play Games for Your Phone That Make Coronavirus Bearable at Home

If you're quarantining with other people, consider yourself lucky — but it's not always easy. Staying in one space for so long with too many people can be challenging, so you need to find things to do to make the time go by (and to keep everyone sane). Our advice? Try out these seven free multiplayer games that only require one iPhone or Android device to play.

How To: Colorize Black & White Photos on Your iPhone via Shortcuts

We might never truly know all of the colors behind old and classic black-and-white photos, but thanks to technology, we can get a pretty accurate colorization. Although Photoshop is a popular way to colorize these images, you can now use your iPhone, along with a nifty shortcut, to transform and give new life to vintage photos.