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 s ...more
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to create scatter plots with a TI-83 graphing calculator. Scatter plots. Listed below are the heights (in inch ...more
As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the very first install ...more
Natural processes often create objects that have a fractal quality. Fractal branching patterns occur in plants, blood vessel networks, rivers, fault lines, and in several electrical phenomena. Many of these processes take lifetimes, or even occur on geological timescales. But ...more
Apple's just ushered in a new era for widgets on your iPhone. With the iOS 16 update, each of your lock screens can have up to five widgets. While Apple's apps were the first to get lock screen widgets, third-party developers can code their own ones into their apps — and here' ...more
Since today (11/11/11) is the last 6 digit binary date this century, I thought we should look at some kinetic binary calculators. Matthias Wandel built a beautiful 6 digit binary computer out of wood. If you want to build one, he even gives you some more information and instr ...more
For people who are interested in math or who need to know how to find the volume of a cone for any reason, whether it be homework or architecture, this video will show you how to do so. The formula for finding the volume of a cone is (1/3) pi x radius^2 x height. You can find ...more
Sometimes an iDevice is best used for idle, pointless fun. Today's segment of Making Art on Your iOS Deviceis a mixed bag of time-wasting cool effects and random, but useful art-making tools. Below, 10 apps for creating anything from erratic hand-shaken digital effects to your ...more
In this video, we learn how to derive and use the slop formula. The slope of a line is equal to change in y divided by the change in x. First, put the first point on the coordinate point. Then, represent the X and Y by X1 and Y1. Then, put the second point on the plane, repres ...more
Erik Demaine is a Professor of Electronic Engineering and Comp Sci at MI, but he is also an origami folder who has had work displayed at the Museum of Modern Art in NYC. He makes some beautiful models and intricate puzzles, but in my opinion the really inspirational work is th ...more
Fractions are numbers of the form a/b, where a and b are integers. Fractions are also called as ratios. Fractions are further divided into proper fractions and improper fractions. Proper fractions are those where the numerator is less than the denominator and improper fraction ...more
Pie and pi lovers rejoice: whether you like eating pies or calculating their area, 3/14 is your day. March 14 is a holiday for both bakers and math nerds: Pi Day, where the day and month correspond to the first three digits of the most famous mathematical constant. If you're ...more
As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 38th installment i ...more
Before I start this tutorial, no, this is not that "Effective. Power." text that is going around. With that being said, let's talk about this attack. Hello, my hacker friends! Today we are going to look at how hackers can take advantage of the system, and repeatedly crash the ...more
Check out this instructional math video that demonstrates how to solve number lines. In the 11th lesson, learn how to solve SAT problems using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers: - p409 #8 - p535 #17 - p583 # ...more
Looking for instructions on how to evaluate numbers raised to fractional powers? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks ...more
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
So you've been going out with that cutie from Math class for a month already and the sparks are flying but you wouldn't consider yourselves boyfriend and girlfriend. Then there's the kicker: One night after having a great dinner, he tells you "You're fun." Bring out the overa ...more
This is a helpful video provided by Math Problem Generator. It deals with the complex challenges of dividing variables. The audio is great and provides specific examples of dealing with multiple types of this problem. The video lays out three simple steps. The first being to s ...more
As was mentioned by the great OTW last week, TOR, aka The Onion Router, has had its integrity attacked by the NSA. In an attempt to reduce the anonymity granted by the service, the NSA has opened a great many nodes of their own. The purpose is presumably to trace the origin of ...more
Meet Matt Weathers, Biola University math professor and probable blood relative of Mary Poppins. Because, really, who but a Poppins could pull off a prank of this sort? Think Who Framed Roger Rabbit for the PowerPoint set. Or, better yet, see for yourself in the video gallery ...more
In this video, we learn how to rationalize a denominator that contains a surd. First, you need to rationalize the denominator by removing any square root sign. To do this, you will multiply the fraction but the flip of the denominator over itself, with the square root. Then, y ...more
If you've ever had a little trouble trying to program your calculator, you may find a little relief with this four-part video tutorial. Here, a Texas Instruments (TI-84 Plus) calculator will be used to explain the programming process. The four parts include: 1: The Basics 2: ...more
Not all microwaves are created equal, so when you use the recommended cooking time on any microwaveable meal, chances are you're actually cooking the food too much or not enough. And unless you're really good at mental math or have a virtual assistant that's smarter than Siri ...more
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 61st installment in ...more
Another week has passed on the online battlefield as the CISPA legislation continues to grind away at our freedom. Here at Null Byte, we try to keep our community informed and knowledgeable at the same time—and that means creating content for them to learn from. After last we ...more
YAYMATH In order to use rational functions in intermediate algebra, Robert Ahdoot begins by setting values to the functions f(x) and g(x). He then adds these functions together, with the equation (f+g)(x). After addition comes subtraction, using the equation (f-g)(x). And fina ...more
Android Nougat has a new API that lets apps create their own custom Quick Settings tiles. A similar feature was buried in Android Marshmallow, but that required a hacky workaround, and most manufacturers disabled it in their custom versions of Android 6.0. But since this is an ...more
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 (or just finish your homework or study for that next ...more
In our media-enriched world, past and present, SCRABBLE has made a name for itself, whether deliberately, subconsciously, or influentially. You may have a read a book that had the popular word game within a chapter, watched a movie that showed your favorite characters bringing ...more
In this math lesson we will learn how to solve math problems involving sales tax. Remember these two important formulas: Final price = price before tax + sales tax Sales tax = sales tax rate x price before tax
With over 60 commercials, chances are you've seen one of the Get a Mac spots run by Apple, which brands Mac as intuitive and hip, compared to their boring and clunky PC counterpart. You also probably saw Microsoft's response in their I'm a PC campaign. But who are Mac and PC u ...more
As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 34th installment i ...more
Need to know how to solve complex ratio problems in basic algebra? 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 t ...more
Eric Gjerde is a master of origami who devotes much of his energy on origami tessellations. Some of his pieces fold nearly flat, forming layers that add just a hint of depth. These pieces look beautiful when lit from behind, due to the variations in brightness and color. Other ...more
Need a little help in your Statistics class? In this statistics tutorial hosted by The Free Math Tutor, a demonstration of how to use the Sharp EL531W calculator to find the correlation coefficient (r-value) and the equation of a regression line is given. Want some more practi ...more
In this math tutorial, you will learn how to simplify square roots with product and quotient rules. To begin, you will need to multiply the square roots so that the two square roots in your equation are reduced down into one. The rule for non-negative "A" and "B" is that the s ...more
Perhaps not as easy as using a calculator, but easy nevertheless! With mathematics, as with anything else, not everyone progresses at the same rate. Happily, in the age of Internet video tutorials, this isn't a problem. Those who progress quickly can go beyond what's being tau ...more
I don't know how many of you had this experience in your youth, but when I was a kid, I used to actively think about what would happen if I suddenly woke up in a fantasy land, or were to pass through a portal into another space and time. I knew it wouldn't really happen, but w ...more
It's another Monday, which means once again, it's time to highlight some of the recent community submissions posted to the Math Craft corkboard. Additionally, I thought we'd take a look at the Mobius Strip. Rachel Mansur of Giveaway Tuesdays posted twice to the corkboard. The ...more
Ask 100 chefs what the most important tool in their kitchen is, and you'll get 100 chefs saying the exact same thing: their set of knives. For home cooks and professional chefs alike, nothing is more important (or exciting) than a good knife. A good knife allows you to work mo ...more
In python, or any scripting language for that matter, there are certain things that you will carry with you throughout your entire scripting career. Some of the most basic things that you will keep with you are output, variables, and their value types. We'll start by going ove ...more
This method is easy, intuitive and requires very little math. You will need: Any flat flexible sheet material (ex. paper plates for this how-to) Pencil or pen Scissors Stapler, tape, glue or fasteners Ruler or straight edge Protractor Flatten Plates Flatten the paper plate ...more
Last Thursday's post demonstrated how to Make Yin-Yang Pillow boxes, which were based on equilateral triangles and squares. The units for making these boxes were created by Phillip Chapman-Bell, who runs an amazing origami blog and has a spectacular flickr photostream. Using t ...more
If you hate matching images, typing letters and numbers, solving math problems, and sliding puzzle pieces for CAPTCHA human verification, you'll love Apple's newest privacy feature for apps and websites. Generally, CAPTCHAs can be a massive nightmare on mobile devices. They a ...more
All those early prototype images Magic Leap is so fond of showing off are great, but they rank a far second when compared to a new set of images just revealed by Microsoft in relation to the HoloLens. In a blog post on Tuesday, Microsoft's Bay Area Team posted images of the e ...more
This how-to video shows viewers how to solve math problems with brackets in polynomials. The person in the video teaches people how to solve the problem with a positive sign before the brackets. This segment does not show how to solve the trickier problem where there is a nega ...more
Andrew Lipson builds sculptures based off of Mathematical objects using standard Lego bricks. He has built models of knots, Mobius strips, Klein bottles, Tori, Hoberman spheres (using Lego technic pieces), and recreations of M.C. Escher works. Below are a few images and brief ...more
Vladimir Bulatov makes sculptures of fantastic variations on polyhedra and other geometric objects. His site is full of incredible metal, glass, and wooden geometric sculptures, including a full section on pendants and bracelets. Here are just a dozen or so of the hundreds of ...more
In this math lesson we will learn how to solve simple probability problems with a number cube. The probability of an event measures the likelihood that the event will occur. When trying to find the probability of an event, use this formula: P(event) = number of favorable ou ...more
The area of a rectangle is the basis for all geometry. You will need to know how to do this in order to better understand other objects. This video tutorial will show you the formula for area of a rectangle and how to use it. Don't be confused in math class anymore.
This video is a great one on learning about evaluating fractions. The voice explains how to first plug in the numbers given for each variable in the fractions. He also explains the importance of simplifying the top and bottom first before simplifying the entire fraction. He al ...more
Ever watch a cheesy movie and say "That monster is so FAKE!" but not really understand why? Well monstrous monsters are governed by a little biological rule called the Square-Cube Law, a scientific term combining math, anatomy and physics into one educational tool to recognize ...more
This is an educational site where we can learn about math lessons with example videos, interactive practice problems and can do self-test. The associate teacher in the video teaches us about fraction problems. She has written four numbers on the board, which is 1 1/4, 1 1/2, 1 ...more
Check out this instructional math video that demonstrates how to calculate mathematical functions and graphs. In this 9th lesson, learn how to solve on SAT Algebra problems using the Official SAT Study Guide (as always). Here are the math problems and their page numbers that t ...more
I am an English major physically allergic to all algebraic formulas, so you're unlikely to get any help from me when it comes to solving any expressions. But in the glorious technological age we live in, there are plenty of apps that actually make math and problem solving fun, ...more
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 17th installment in ...more
As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 2nd installment in ...more
As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 10th installment i ...more
Do you own a bunch of old looking books and have no idea what to do with them? Are you looking to spruce up a door in your home with some kind of decoration? Do you enjoy arts and crafts and want to tackle a project that is easy to make and results in something cool to look at ...more
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