Make-a-graph

How To : Test Your Samsung Phone by Using Secret Code *#0*#

Besides obvious features like a touchscreen and biometric sensors, the modern smartphone comes with an array of state-of-the-art hardware in the form of various sensors that help your device sense the environment around it. And if you have a Samsung handset, chances are, you h ...more

News : 27 Cool New Features & Changes in Android 8.0 Oreo

It's official — the newest version of Google's mobile operating system is called Android 8.0 Oreo, and it's in the process of rolling out to many different devices. Oreo has plenty of changes in store, ranging from revamped looks to under-the-hood improvements, so there's tons ...more

How To : Create Parabolic Curves Using Straight Lines

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

How To : Graph Mario on a TI-83 Calculator

When it comes to graphing and comparing functions, the TI-83 graphing calculator is the end-all device for math and science students. But one of the most entertaining aspects of Texas Instruments' powerful algebraic and trigonometric calculator is not the equations themselves, ...more

How To : Find Anyone's Private Phone Number Using Facebook

Facebook really wants your phone number, nagging you for one as soon as you join. This isn't all bad since it can help secure your account with two-factor authentication. On the flipside, this makes it easy to reveal the private phone numbers of virtually anyone on Facebook, i ...more

How To : Create a Tangent Line with Excel

Given a function, you can easily find the slope of a tangent line using Microsoft Excel to do the dirty work. That is to say, you can input your x-value, create a couple of formulas, and have Excel calculate the secant value of the tangent slope. This is a fantastic tool for S ...more

How To : Find the area of irregular shapes

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

How To : 20 Tips to Help You Master Gboard for Android

Typing on a mobile device has come a long way since the days of flip phones. Today, there are awesome keyboard apps like Gboard, which integrates Google search features and makes typing a breeze. But the whole experience still stands to improve if you take some time to learn a ...more

How To : Get a virtual six pack in Photoshop

I want to pump. You up. OK, even better, why not pump yourself up. No, not through hard work and dilligence, what fun would that be!? No, do it the simple way, by firing up your Photoshop and touching up the photo. What you'll do in this process is "grab" the abs from someone ...more

How To : Fold a Pentakis Dodecahedron

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

How To : Find the slope from a set of points

To find the slope of a line you must have two points and then you must plug in the two points into the slope formula. The slope formula is m= y2-y1 over x2-x1. If the slope is a fraction be sure to reduce to the lowest. Remember if a number is divided into zero it is zero, if ...more

How To : Translate a shape

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

How To : Search Public Posts on Facebook

The newer Graph Search in Facebook can help you find friends in specific cities, photos of a particular subject, restaurants that your friends liked, and a whole lot more. One thing it can't help you with just yet is searching public posts on Facebook, which you could do in th ...more

How To : Create a histogram-like display in Excel 2008 for OSX

Here is how to make a histogram-like display in Excel 2008 for OSX. Note that you have to right click on the actual bars in the graph to get the menu to come up. If you work on a Mac and need to use Excel 2008 to make histograms, then watch this MS Office tutorial.

News : The 7 Best Weather Apps for Android & iPhone

Checking the weather ranks among the most mundane but essential tasks you can do on your smartphone. Thankfully, both the iOS App Store and Google Play are loaded with weather apps that add some much needed spice to this daily routine, giving you less of a reason to be caught ...more

How To : Get Faster Download Speeds on Your Steam Games

Steam is an online platform that lets you download and play over 2,000 video games, from first-person shooters to RPGs, as well as a pretty long list of indie games. You can play on your PC, Mac, mobile device, or even your television, and it has a community of over 40 million ...more

News : Top 13 Google Insiders to Follow on Google+

As Google+ is still in its Limited Field Trial phase, joining can feel quite lonely. You can't exactly get all your friends and family in during the brief periods when the invitation system opens up. You can, however, add several interesting people to your "Following" Circle t ...more

How To : Graph x & y intercepts on a TI-84 Plus calculator

In this video the teacher shows us how to use a TI-84 plus graphing calculator to graph a function, adjust the view window, and determine the values of several types of critical points on the graph such as x-intercept, y-intercept, local maximums, and local minimums. After ent ...more

How To : Knit a Snowflake

For the holiday season, a great knitting project is a snowflake design. It's perfect for handmade Christmas gifts. You can knit just one, or a row of them, or use them as full pattern on a sweater or blanket—or whatever project you choose. Here is the snowflake graph to follo ...more

How To : Tag your name using LED light throwies

This is a complex process, but the guys at Graffiti Research Lab have armed you with detailed written instructions and this video on how to create a night writer. This is a more complicated version of their LED throwies that allows you to catch a tag in lights. You'll never ne ...more

How To : Find the area of a triangle given three points

In this tutorial, we learn how to find the area of a triangle given three points. First, you will need to plot the points on a graph. After this, find the base and the height using the graph. Next substitute into area of a triangle formula and then evaluate. When you finally f ...more

How To : Create a Simple Procedural Brick Texture in Maya

This is a guide to making a very simple procedural texture for Maya. As with all procedural textures, the basic texture can be refined and added to. It's a texture! Open up the Hypershade (Window > Rendering Editors > Hypershade). This is where you can edit any textures as w ...more

How To : Graph a linear equation in 3 different ways

In this video tutorial, viewers learn how to graph a linear equation in 3 different ways. The first way is to use the table of values. It is the slowest method but it always work. It is the most useful. The second way is to use the slope-intercept. It is more faster than the t ...more

Now on Tap : How It Works & Why You Should Use It on Android

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

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