This video shows how to use optimization methods in calculus. Optimization means finding the maximum or minimum values of a quantity or finding when the maximum or minimum occurs.What quantities are optimized in economics?we want to minimize costs or maximize revenue.First steps in any optimization problem1.Identify the quantity to be optimized i.e., read the problem exactly what is exactly maximized or minimized.2.Identified the feasible domain. This is important because the math we can opti...
A percent problem is one in which you are given a quantity and asked to compute the value of a percent of it. You may also be given the whole quantity and a part of it and asked to compute the percentage of the part in the whole. To do these kind of problems you need to use the rule which states that the ratio of the part to the base it equal to the ratio of the percent to hundred. That is part/base = percent/100. This comes from the definition of percentage which states that percentage is eq...
In this video, the instructor shows how to identify the percentage change using proportions. When a given quantity increases or decreases by certain amount then we can calculate the percentage change in the quantity, which can be either increase or decrease based on the new value of the quantity. To solve these kind of situations you should know that the ratio of amount of increase (or decrease) of an amount to its original amount is equal to the ratio of percentage increase (or decrease) to ...
Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials.
Stay connected with your friends on Facebook, even when you're on your Playstation! Facebook Chat is one way you can stay in contact with your friends, or group chat with fans of a particular page. And now you can stay signed into to Facebook chat with your Playstation. Follow this easy to understand tutorial so you can use chat and your gaming console at the same time.
Check out this informative video tutorial from Apple on how to set up iChat to text, video or audio chat with friends. iChat is an application that's part of every new Mac. It lets you stay in touch with friends and family in fun innovative ways.
This video tutorial was created by SCEA for Sony PlayStation fans and readers on how to use their PS3. Learn how to start a video chat on your PS3. Once you learn the ease of video chatting on your PlayStation 3, you won't be able to stop.
Add a chat program to your website and allow the logged in users to talk to each other! You can write this program using Adobe Flash CS3, PHP and MySQL. This tutorial shows you how to write your own Flash chat program incorporating all three systems.
The first video introduces the basic electrical quantities of charge, current, voltage, and resistance. The concept of quantities and units is explained. The units of Coulombs, Volts, Amperes, and Ohms are described. The three basic formulas of Ohm's Law (E=IR, I=E/R and R=E/I) are also introduced.
In this video we learn how to use iChat in Mac OS X. He explains to us that iChat allows us to chat with any person on our buddy list. He explains clearly about icons next to a person's name such as a camera which shows you can have a video chat with that person. Next he explains how to change your status, such as, whether you are available to chat or not. He then goes on to explain how to create your own buddy icon which is what people will see when they are chatting with you. You can create...
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 724th installment in their series of digital spreadsheet magic tricks, you'll learn how to check if quantities are the same in two lists and show the differences if not, list the word "equal" if they are the same, and "not in list" if the lookup items is not in list using the MATCH, INSA, VLOOKUP and IF functions.
HO TouchSmart is a all-in-one PC with many essential features. You can video chat using your HP TouchSmart PC. Note that you will need a internet connection to use the video chat feature. There are lots of messengers available on the net like Windows Live messenger, Yahoo messenger, AOL and others. You will need to have a messenger to chat with an other person using the same messenger. So first go to the respective websites and download the required messenger. Install the messenger as shown i...
This educational math video describes the steps necessary to solve an equation involving absolute values. "Absolute value" refers to the magnitude of a quantity and is always expressed as a positive number. You can think of absolute value as the distance a number would be from zero if plotted on a number line. Positive 17 and negative 17 both have the same absolute value because both are 17 units from zero on a number line. Because of this, all absolute value problems have two answers, one wh...
Video chatting over the Internet is an inexpensive way to keep in touch with your family and friends. This video will show you how to set up web video chat.
When eating healthy, try this strategy to feeling fuller on fewer calories. This diet and health how-to video is part of Healthy Appetite with Ellie Krieger show hosted by Ellie Krieger. Cooking healthy food can be quick, easy, but most of all, delicious. Nutritionist and author Ellie Krieger has created fast and simple healthy recipes for the real world. She'll show you how simple it can be to stay on the healthy track no matter how busy and stressful your life is. Ellie also has strategies ...
Phosphors are great for lighting up areas where fire will not burn, and also for keeping humans alive in very small quantities. Quenching phosphors allows you to use them for all sorts of cool projects, and this video will show you how to make an IR detection device with quenched phosphors and also how to measure temperature with thermally quenched phosphors.
When soap making, soap molds save you a lot of time, allowing you to produce prettily shaped bathtime goodies in less time and in greater quantities. Designs (decals) can then be added on top of these soaps for a personalized effect.
In this episode you will learn how to discuss food you like and dislike and how to express quantities in the English language.
This video loosely explains the method of how to make a blue colored slime from corn flour, blue food coloring, and a quantity of water which is undetermined. Quantities of ingredients to be added for this project vary and can be made up as the person goes along in combining the ingredients to produce the desired results. Ideally, the product should be of a slime like consistency, or can be described as 'gooey' in appearance. The resulting slime product should be easily stirred when it is sti...
In this video the instructor shows how to solve mixture problems using two variables. Usually in these kind of questions the problem statement goes like, if A costs $x for a pound and B costs $y for a pound, in what ratio should they be mixed such that one pound of the new mixture sells for $z a pound. So, in these kind of problems start with a box where you list down all the given data in the form of a table as shown in the video. Now denote the unknown quantity of A and B by two variables a...
Here we look at squaring expressions that involve radicals because people tend to make some common mistakes while solving such expressions. Take 5 times the square root of y quantity squared, the answer here is not 5y. Here's the reason, square means to multiply something with itself so the square of 5 root y would be 5 root y into 5 root y. So 5 x 5 is 25 and under root y into under root y equals just y so the answer will be 25y.
This video shows us the method to find the percent increase or decrease in a quantity. This can be done in 30 seconds. The formula states that the percentage increase or decrease is equal to the product of the ratio of amount (increase or decrease) and the original amount and 100. This is explained by two examples. In the first example the amount of increase of the price of groceries is found by taking the difference of the new price and the old price. This is divided by the original price an...
This video describes how to store large quantities of meat for a rather long period of time. To start, take the meat and season it if you like, then place it in a plastic bag. Roll the meat down flat and get all of the air out of the plastic bag and then seal it. Take a skewer and press down to create three (or more) lines in the meat to create a grid. Finally, freeze the meat and then when you need some of it just break off as much as you would like and put the rest back in the freezer. This...
The front camera on the Droid Bionic from Motorola is a perfect match for the Google Talk application provided with the Android smartphone. Using the Verizon Wireless 4G connection, you can stream video and voice to friends and family members on the go. This guide by Motorola demonstrates how to video chat on the Bionic.
A Facebook profile page shows up explaining the steps on how to get chat history of a friend on Facebook. It explains that you need to go to the profile of the person you would like to find chat history with. It then explains steps on how you can copy there Facebook ID. Once you have accessed that he provides you with a JavaScript code to use to pull up chat history. He gives you step by step examples explaining how to set up the ID and apply it to the JavaScript coding. Once that has been es...
In this tutorial, you are shown very simple steps to put live chat option on your website. In this video web designer Jeff shows you how to put free Yahoo live chat on your website in very easy steps. This tutorial will change your website look more effective and useful. This tutorial shown in very detailed explanation about creating live chat box on your website. He shows a live demo creating professional chat box on your website, but also shows that you can create your live chat box per you...
In this Facebook tutorial you will learn how to how to hack Facebook chat in order to browse other pages while still chatting. In just a few moments, you'll be on the road to surfing the interweb & chatting simultaneously.
There's a fine line between order and chaos in group chats. With all the cross-talk, threads can easily devolve into a random mess that has nothing to do with the original discussion topic. WhatsApp group chats certainly aren't immune to this problem, but they've recently taken a step in the right direction.
If you already own a Canon High-def digital SLR, you can set it up as a virtual webcam. This will allow you to record video podcasts or chat on Skype. You'll also need the CamTwist software and the Canon EOS utility (available from your install CD).
If you want to get your Facebook chat history, here's a way to do it, even if your friends aren't currently online. This video walks you through the steps to recover chat that you previously had, even with friends who are currently offline. Click here for more details.
Are you a chat fanatic? Do you have a website with chat functionality built in? Have you seen other people with chat emoticons that you don't have? It's possible they designed their own emoticons and you can too! This Photoshop tutorial will show you how to design custom emoticons easily in Photoshop.
Facebook is a wonderful website where you can connect and keep up to date with your friends. Facebook has some useful features like chat. Facebook chat can be used to chat in live with your online friends. The chat also supports smileys. Using different character combination you can create different smileys. To create the happy smiley type :). To create sad smiley use :(. Use :P to show a funny smiley. These are the basic smileys. There are many more smileys present like the one showing teeth...
This is a tutorial on how to clear your Skype call history and chat history. The option for clearing call and chat history is difficult to find in Skype. To begin, click on Tools and select Options from the Menu. In the pop up box, click on the Privacy button. By showing Advanced Options, you will be able to access the button which enables you to clear your call and chat history. Please note that when you click the Clear History button, you will not only delete your call and chat history, but...
Group chats in Facebook Messenger can devolve into outright noise pollution as people chit chat randomly and bombard you with distracting notifications. Unfortunately, leaving the group outright alerts everyone inside, so if you want to get out of the thread unnoticed, what exactly can you do?
Popular chat apps like Messenger allow us to communicate with friends and family across iOS and Android phones alike. However, that interconnectivity doesn't mean both apps are the same. While Facebook has made strides to close gaps between these two platforms, chat heads remain an exclusive feature for Android devices, and they let you keep Messenger threads close by.
Telegram routinely boasts about its secure messaging for truly private conversations between two parties. However, default cloud chats in Telegram are only encrypted between client and server, not client and client, which means you have to be a little proactive in making sure your private conversations on Telegram are really private.
If you're a home cook, peeling garlic is probably not your most favorite part of preparing a meal. Sure, the first one or two bulbs are a cinch, but once you start peeling garlic in larger quantities the inevitable stickiness arises and the garlic becomes harder and harder to disrobe.
Check out this helpful video to learn how to install Skype mobile video chat on your HTC Thunderbolt. First, download the file here then follow all of the instructions to get your Android smartphone running Skype video chat on Wi-fi and 4G.
Are you playing Minecraft on a Mac? Would you like more functions and better performance from chat? Check out this video, you'll need to download Modloader and improved chat. You'll be able to bind keys, so that your most used commands are only a single keystroke away!
At first glance Facebook chat may seem like a pretty simple application, but there are actually some more complicated things you can do with it. Learn how to customize your chat experience by changing the font and adding smileys with this video. Need to make a point? Then bold your font. You can even add a little shark smiley for emphasis!
