This video shows the method to plot the graph of the absolute value of a function. The video shows the example of the function of cube root of 'x'. The demonstrator first plots the graph of a cube root function. This is done by taking the reference point of positive one and po ...more
This video explains how to find the area of irregular shapes. Draw the shape on a grid or graph paper. This will help you divide your shape into pieces. Draw dotted lines to divide the shape into squares, rectangles or triangles. For instance, if you have an "L" shape, you can ...more
This test can be used to determine whether the given graph is a function or not. Before going into the vertical line test let's first understand what is a function in a graph? A function can be defined as for every input there can be only one output. In order to test this we ...more
In this Arts & Crafts video tutorial you will learn how to make a stained glass mirror. This video is from Artists Resource. You will need a Marabu GlasArt kit, some spirit, a china graph pencil, scissors, a ruler, masking tape, a container to mix your paint, an object to draw ...more
You can draw intercept in graph. The teacher took 4x + 3y =12 for solving using intercepts and told that the standard form of the equation should have X and Y terminal at the left side and constant at the right side. He told for making X-intercept we need to substitute Y as z ...more
In this tutorial we learn how to draw graffiti. Graffiti can be done in hundreds of different ways, depending on your taste and your abilities. Remember when you draw on graph paper that it will help your letters stay to scale so you have a more even looking word or letter. Al ...more
This is an interesting trick to solving multiplication problems. It involves multiplying 2 double-digit numbers with hand drawn, crisscrossing lines. Say you have a multiplication problem of 13 x 21, you would draw 1 line by itself, then 3 lines, side-by-side, all parallel to ...more
Drawing graffiti letters can be done in hundreds of different ways, but drawing on graph paper helps the letters stay to scale, and using a brush pen creates a flared effect. Draw a few different types of graffiti letters with a demonstration from an experienced artist and art ...more
This video shows us how to draw a linear equation using the slope and intercept technique. First, the narrator explains how to simplify the equation in order to get the slope and intercept out. He then shows how the coefficient of x equals the slope and the constant term tells ...more
NotesCollegeAlgebra teaches you how to find intercepts on a calculator TI-83. You start with y plus 1.7 equals .8 times x squared plus 1.4 times x. First you subtract 1.7 from both sides, you get y alone on one side. The window should be set to -5...5, -5...5. X scale should b ...more
This is one of my favorite (vaporware) videos on Augmented Reality! It shows the possibilities as well as the draw backs that it could have. Look for the 'Sims' like graphs showing that he has to 'Liquid Waste' to attend to, classic.
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
I wondered how silly you could get with sonobe, and had a bash at a buckyball, which is a fullerene (technically a truncated isocahedron; you can see a simple model here). It's twelve pentagons—each surrounded by 5 hexagons (20 in total)—making a football shape in England or a ...more
In this tutorial, we learn how to graph a circle. When given an equation to graph the circle, you will first need to find the vertex of the circle. Once you find this, you can use those coordinates to mark the vertex on the graph. Follow the negatives and positives to go up, d ...more
In this video, we learn how to graph inequalities on a number line. Inequalities have a greater than or less than sign instead of an equal signs. Remember that these are no different than figuring out how to graph normal equations. First, you will need to remove the single num ...more
In this tutorial, we learn how to use a unit circle to find trig values. The unit circle has a radius one, use the definition of the trig functions to figure this out. Write them down if you need to, to remember what they are. You will also need two special triangles to help f ...more
With this tutorial, we learn how to graph a parabola. The way you can tell it's parabola is that the 'x' value will be squared. With a line, 'y' and 'x' are not squared. The 'a' is the number in front, which will also be the coefficient in the graph. 'B' will be the number fol ...more
In this tutorial, we learn how to balance chemical equations. The first thing you want to do is to draw a graph and label one side reactants and the other side products. Go through each of the atoms that are in your equation on both sides. Write out how many atoms are in each ...more
In this tutorial, we learn how to use the distance formula for two points. The distance formula is D= the square root of (X2-X1) squared, plus (Y2 minus Y1) squared. It may look confusing, but it's just a derivation of a theorem. First, find the two points that you have and gr ...more
This video shows the method to make a line graph. First step involves drawing a horizontal and vertical line joined at one end. We have to plot the maximum and minimum temperatures during 5 days. Label the vertical with the temperatures(10, 20, 30...50) and the horizontal line ...more
This video teaches us the method to find the circumference of a circle given its radius. The video tells us to find the answer in terms of pi and also to the decimals value. The formula to find the circumference is two times the product of pi and the radius. The first step inv ...more
The author teaches us how to graph the linear equations with tables. Given a set of linear equations in terms of "x and y", first we have to draw a table having a column each for x and y. We have to enter an arbitrary value of x in that table and substitute that value in the g ...more
This video shows how to find areas between curves. The basic idea is that we find the space trapped between two curves on a graph. The formula for finding this is top curve, subtract bottom curve and then integrate. The presenter shows a parabola that goes through the origin. ...more
This video teaches us to draw the graph of a piecewise function. This is shown using two examples. In the first example we have 'y' equal to 'x + 2' for x less than zero and '1 - x' for x greater than equal to zero. We plot two points on the function for x less than zero and d ...more
In this video the instructor shows how to graph a piecewise defined function. A piecewise defined function is a function that is defined in separate pieces. In these kind of functions, for different ranges of the value of x, you are given different small functions, all of whic ...more
The video shows the explanation of greatest integer function. This video explains this with the help of graphs. The video first describes the basic greatest integer function. This means the greatest integer less than or equal to the number gave. The graph of this function is d ...more
Wondering how to use a mean and scatter plot for statistics? Just follow the few simple steps as below. First step: calculate the scatter plot points on a graph. Second step: make sure to check that mapping the points is perfect. Third step: For example, take a point where ...more
Need a little help in understanding the number line and graphing an inequality? Great! Here you will learn a valuable lesson with this how to do video. A basic tutorial, it explains what kind of dot to use when you are graphing inequalities. Then it shows you how to place the ...more
Watch this video to learn how to reflect a shape across the x-axis. To just change the locations of points in a graph along x-axis, there is a single step involved. Consider A=(-5,-8), B=(-3,-4), C=(-8,-3), D=(-6,1) a graph which is drawn with four points, three in third quad ...more
In this tutorial the instructor shows how to graph a parabola and also how to find its roots which are also known as zeroes. He gives the quadratic formula of how to find x-intercepts of a parabola. He takes an example and substitutes the values and finds out the values of the ...more
Learn how to translate shapes with a few simple steps. - First step: Find the new verticals under the transformation which are T3,2. Values are A=(-5,-8), B=(-3,-4), C=(-8,-3), D=(-6,1). Find the points of the verticals on the graph and connect the points one by one until you ...more
There's a time in everyone's life when they need to become immortalized and reprographed in a full-blown comic spread, complete with halftone dots and speech bubbles—or squares, if you're a square. With our favorite program Photoshop, you can quickly turn any hyperbolic celebr ...more
If you're a believer in the power of logic, may as well skip the game tomorrow. Two math professors at the University of London have supposedly determined who will win the World Cup, and have displayed their findings as a sophisticated infographic: The short and simple explan ...more
In this Arts & Crafts video tutorial you will learn how to make a stained glass picture frame. This video is from Artists Resource. You will need a Marabu GlasArt kit, some white spirit, a china graph pencil, scissors, a ruler, sheets of scrap paper, lead tape and a picture fr ...more
If you want to learn how to get and graph the slope of a line using two points, you should watch this. 1. Let your two points be (x1 , y1) and (x2 , y2). Draw a straight line that connects the two points. 2. Use the formula, m = change in y over change in x , for finding the s ...more
This video teaches you how to solve a linear system by mathematically graphing it out. The video starts off with a problem, asking to solve the system, with two given equations. To solve the system, one would insert 0 for x and solve for y in the first equation to obtain a poi ...more
Looking to be the talk of the town? Do you love gardening and have some time to spare? Build a garden maze and make your yard the neighborhood sensation. You Will Need: • A level, open spot • A pencil • Graph paper • A lawn mower • Rope or string • Plants • A shovel • ...more
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. You Will Need: • Graph paper • Pencil • Basic math ski ...more
Curve stitching is a form of string art where smooth curves are created through the use of straight lines. It is taught in many Junior High and High School art classes. I discovered it when my math students started showing me the geometric art they had created. The process of ...more
What is a Data Structure? When we think of a "structure" we often think of architecture, but data also often has structure. There are many different types of data structures: arrays, graphs, queues, stacks, and so on. We use these structures in order to be able to effectively ...more
Today concludes our Gamer's Guide to Video Game Software (see Part 1 & Part 2). In our final installment, we will shift away from engines toward video games that allow you to make your own games within them. Many games have featured level editors that allow users to create th ...more
Math Craft admin Cory Poole provided quite a few recipes for sonobe models in his blog, and I followed one to make the pentakis dodecahedron here. I wasn't that happy with my first result because the colours kept on coming out wrong—i.e. two of the same colour next to each ot ...more
We can calculate the area of the simple polygons like square, rectangle, triangle, pretty easily. Area of square can be calculated by drawing it on a graph paper, of unit cm length and breadth. Area of a rectangle is length X breadth. Area of a triangle is 1/2bh, half of produ ...more
Everyone has used a ruler at some point in their life, whether for art sizing, blueprint plans, or sizing up your widescreen television on your living room wall. But there's a lot of little ticks on the ruler that you may not be aware of. Your ruler shouldn’t be used only to d ...more
Hello there. Today I wanna share on how to create a screen capture program. Requirement: VB.NET PictureBox 2 Buttons ( Save, Capture) Monitor to see what u are doing .... Create a Windows Form .... Drag a Picture Box Onto The Form Drag 2 Buttons Unto The Form NAMELY: Captur ...more
As sure as death and taxes, sitting at a wobbly table at one time or another is inescapable. With your weight on it, the table shifts from one end to the other, lifting one leg in the air and then the other; a parade of seesaws, especially if you have someone sitting on the ot ...more
Smartphones have been a hot button issue around school campuses for several years now—some schools allow them, others confiscate them on sight. But the fact of the matter is, when used correctly, a smartphone can be just as much of a learning tool as a textbook or school-issue ...more
Apple's iOS 11 is finally here, and while they showed off several of the new features it brings to your iPhone, iPad, and iPod touch back at WWDC 2017, they've only just touched the surface of what iOS 11 has to offer. There are a lot of cool new (and sometimes secret) feature ...more
I have a personal rule when it comes to an app's interface: If it doesn't follow Android's design guidelines, it was probably written with Apple's iOS in mind first and foremost. And if that truly is the case, I almost take this as a personal insult. I'm not a second-class ci ...more
Antibiotic use in infants has been associated with a host of childhood conditions later in life. Yet when an infection is suspected in a newborn, usually a sample of their blood is drawn to check for the presence of bacteria and 5 to 8 percent of them receive antibiotics while ...more
There wasn't really anything too special about the S Pen on the Samsung Galaxy Note 2, with its limited capabilities and finicky sensitivity. Luckily, the S Pen was greatly improved on the Note 3, the biggest enhancement being Air Command, a floating menu that appears when the ...more
You'll have to forgive me if I sound a little overexcited about this, but in my opinion, Google's "Now on Tap" is one of the most innovative™ smartphone features that I've seen in years. Sure, Microsoft heard about the feature being in the works and rushed out a similar Androi ...more
It's certain that the release of Apple's ARKit is going to be game changing for businesses. This demo video was created by YouTube user hdsenevi who used the ARKit to create a simple bar chart. The chart has adjustable settings, allowing the user to make each bar larger or sm ...more
The latest Android N preview build was released today, April 13th, and included Emoji Unicode 9.0 support, among other things. The highlight is definitely the emojis, and the new designs are intended to look more realistic than the older, blobbier emojis. The update also allow ...more
Holographic technology has made a push towards becoming a reality for everyday consumers, most recently with the introduction of the Microsoft's HoloLens, which combines real-world and virtual elements in one awesome device. While it may be a while until that this technology ...more
What Is a Square Root and a Radicand? A square root is a number that when multiplied by itself, results in its original number. For example, the square root of 16 is 4 because 4 • 4 = 16. A radicand is the value that you want to find the root of. For example, 16 is the radic ...more
There are a lot of apps in Google Play for your Samsung Galaxy Note 2 that let you create, edit, and view Microsoft Office files on the go, but none match up to the power of an app called Polaris Office for Samsung Galaxy devices. However, the newest version, Polaris Office 5 ...more
While it doesn't come with any iPad models out of the box, the Apple Pencil is perhaps the best iPad accessory you can get. It's a powerful writing and drawing tool with an intuitive design and user-friendliness that makes it easy to take notes, draw sketches, mark up document ...more
MATLAB, an acronym for "matrix laboratory," was created over 40 years ago to service the applied mathematics community. The powerful programming language now has over four million users worldwide and is of particular import to engineers, scientists, and economists. While inte ...more
You know the drill. It's time to d-d-d-duel! This time you're a part of the Shadow Games in a way you've never been before, thanks to Micorsoft's HoloLens. YouTube user MicrowaveSam posted a taste of what fans will one day be getting in terms of an augmented reality Yu-Gi-Oh ...more