# Using a Ti 84 Plus Calculator

### 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 : Jailbreak a PS3 using a TI-84 calculator

Not only can you jailbreak your PS3, you can do it just by using a TI-84 silver edition scientific calculator! You'll need to download a simple app first, and this will certainly void your PS3 warranty, but if that's okay with you, here's how to do it!

### How To : Calculate compound interest using a TI-84 and solver

This is a video tutorial in the Electronics category where you are going to learn how to calculate compound interest using a TI-84 and solver. Press the apps button on the calculator and press enter to load the TVM Solver which is the 1st choice. Here the meaning of various no ...more

### How To : Evaluate logarithms using a calculator TI-83

A video to help calculator users find the natural logarithm (log base e, or "ln") and standard logarithm (log base 10, or simply "log") of any number using a TI-83 calculator (works for any issue of the TI-83 calculator or even a TI-84 calculator). Turn on your calculator. To ...more

### How To : Calculate NPV & IRR with a TI BAII Plus calculator

The video shows you how to calculate capital budgeting with a Texas Instruments BA2+ financial calculator. Capital budgeting will help you determine cash flows for given investments for a certain number of years in the future, thus helping you determine if the investment is wo ...more

### How To : Get CyanogenMod's Sleek Graphing Calculator & Widget on Your Samsung Galaxy S4 Without Rooting

It's that time of the year again when scores of students are flocking to stores for school supplies. Pens, pencils, books, and for math students, calculators. Graphing calculators like the ubiquitous TI-83 (and 84) series have been a staple of high school and college math cla ...more

### How To : Program a calculator with basics

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

### How To : Inconspicuously Play Portal During Class on Your Graphic Calculator

The only bad thing about Portal is that you can't play it everywhere. You can't play it while camping, you can't play it in the car, and you can't play it in the waiting room at the dentists office (unless you lug around your laptop to all of these places. Weirdo). You defini ...more

### How To : Turn Your Samsung Galaxy S3 into a Powerful TI-89 Titanium Graphing Calculator

If I were a math major, I'd probably be rolling in dough somewhere in Silicon Valley right now, but since multiplying numbers and figuring out tangents gives me panic attacks, I went the English route... pays much better. Still, I never would have graduated if I didn't pass a ...more

### How To : Spend Money on a Graphing Calculator? Nah—Just Use This Web-Based TI Emulator

For the majority of my math classes in middle and high school, a graphing calculator was a must. While the calculators were very useful to have, they were quite steep in the price column. After losing the TI-83 graphing calculator my parents bought me in high school, I had to ...more

### How To : 11 Android Apps You Should Be Using for Better Grades in School

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

### How To : 21 Apps You'll Need When Switching from iPhone to Android

So you finally decided to make the switch from iOS to Android, huh? Well first off: welcome to the world of tomorrow. And secondly: good call, mate. In all seriousness, switching between mobile ecosystems can be quite the hassle. Even after you've grown accustomed to the new ...more

### News : 91 Cool New iOS 11 Features You Didn't Know About

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

### News : 100+ Coolest New iOS 12 Features You Didn't Know About

The next big iOS version for iPad, iPhone, and iPod touch was revealed by Apple at WWDC 2018 and dropped for everyone on Sept. 17, 2018, less than a week after Apple revealed the new iPhone lineup. We've rounded up all the big picture items and secret features and changes we c ...more

### How To : Install Super Mario on your TI-84 calculator

Does your calculator just crunch numbers? Boring no longer. Mod your calculator into a fun video game console by installing Super Mario. MirageOS and TI Connect can be found at http://hmhross.co.nr in the "websites needed" section. Mario Program (Install this first): http:// ...more

### How To : Use a TI-84 calculator as an MP3 Player!

With the help of a program called TItunes & standard earbuds (and adapter) we can listen to music played by a TI84! Mod you calculator to play music. This only works on a TI84, not a TI83. This program probably doesn't work for the TI83 because of timer instructions. But the ...more

### How To : Find determinants with a TI-83 calculator

Looking for a primer on how to find determinants using a TI-83 graphing calculator? See how it's done with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidac ...more

### How To : Do matrix algebra on a TI-83 calculator

Looking for a primer on how to solve matrix problems using a TI-83 graphing calculator? See how it's done with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to au ...more

### How To : Use a TI-89 to calculate nCr

This video shows you how to do a mathematical representation on computing the nCr function using a TI-89 calculator. You can write the nCr notation in different forms. It can be simplified from nCr to C(n,r). The symbol can either be read "n choose r" or "n taken r at a time" ...more

### How To : Simplify radicals & square roots using exponent rules

See how to apply exponent rules to simplify radicals or square roots with this free video math lesson from Internet pedagogical superstar Simon Khan. Looking for a primer on how to solve matrix problems using a TI-89 graphing calculator? See how it's done with this free video ...more

### How To : Solve scalar field integrals in calculus

This video demonstrates that the line integral of a scalar field is independent of path direction. Learn how to solve scalar-field integrals with this free video calculus lesson. Looking for a primer on how to solve matrix problems using a TI-89 graphing calculator? See how it ...more

### How To : Do matrix algebra with a TI-89 calculator

Looking for a primer on how to solve matrix problems using a TI-89 graphing calculator? See how it's done with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to au ...more

### How To : Solve a set of linear equations with the TI-83

Looking for a guide on how to solve a system of linear equations using a TI-83 graphing calculator? 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 autodi ...more

### How To : Solve a system of linear equations with a TI-89

Looking for instructions on how to solve systems of linear equations using a TI-89 graphing calculator? Learn how with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belong ...more

### How To : Transfer programs to your TI-84+ and TI-84+ Silver

Wouldn't your TI calculator be way cooler with some sweet programs like Nintendo or Tetris? This is a short tutorial on extracting the files from a ZIP archive, and transferring them to your calculator. For a more in depth tutorial on transferring, see our text tutorial: htt ...more

### How To : Find intercepts on a calculator TI-83

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

### How To : Ace your test by cheating

Follow this video for some tips on how to cheat in exams and tests. You can have a calculator that stores information and notes in it. Such calculators such as the TI83 and 84 plus calculators have a feature where you set up a new program. Type in your notes in this program yo ...more

### News : 3 Unique Alternative Web Browsers for Your iOS Device

A few weeks ago I wrote about Atomic Web as the best web browser for iOS devices, and while I believe it is a superior option, Atomic Web is not the only alternative web browser you can use on your iOS device. There are three more—Dual Browser, iCabMobile, and iSwifter—that ar ...more

### How To : Use the Pythagorean theorem

Pythagoras was a smart man, so smart that his mathematical theory is named after him and still used today, more than 2,000 years later: the Pythagorean theorem. It implies that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two ...more

### How To : 8 Nerdy Halloween Costumes That Even the Geekiest of Geeks Wouldn't Touch

Nerds get a bad rap most of the time, but on Halloween, everyone wants to be one. However, not everyone knows how to geek it out without going too far. There is a limit, even for nerds, and these eight Halloween costumes are nerdy times pi. #1. Mozilla Firefox Costume Dressi ...more

### How to Make Sense of WikiLeaks : Searching the Secret Cablegate Documents

The last few months of WikiLeaks controversy has surely peaked your interest, but when viewing the WikiLeaks site, finding what you want is quite a hard task. Despite rumors of easy access via the Kindle and iTunes App Store, there currently is no way to view the leaked docum ...more

### How To : Master SCRABBLE & Win Every Game

SCRABBLE. To some it's just a game, but to me it's life or death. Well, not really, but it feels that way anyway. On a normal weekend, a game becomes much like Jon Thomas' "friendly game of death Scrabble." Video: . When I'm playing a game of SCRABBLE, my friends are not frien ...more

### How To : File Your 2010 Federal Income Tax Return (IRS Tax Tips for Individuals & Businesses)

It's mid-January and some of you happy tax-paying citizens have already started receiving your W-4s and 1099s in the mail. But before you start filling out your 2010 Federal Tax Return, make sure you're hip to all the tax tricks in 2011. You could end up saving some money! Be ...more

### How To : Things to Do on WonderHowTo (11/30 - 12/06)

WonderHowTo is made up niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. This week: Create a redstone calculator in Min ...more

### How To : Make a Sonobe Jasmine Dodecahedron

Math Craft admin Cory Poole posted instructions on How to Make a Cube, Octahedron & Icosahedron from Sonobe Units, plus some great complex models in his article, How to Make a Truncated Icosahedron, Pentakis Dodecahedron & More. These models use the standard sonobe unit and a ...more

### How To : Score Big with Simple 2-Letter Words in Scrabble

No matter what word game you're playing, whether it's Scrabble or one of its near-homogeneous counterparts like Lexulous, Wordfeud or Words with Friends, one of the easiest ways to stay on top of your opponent is knowing all of the legal two-letter words you can play. You're n ...more

### News : 10 Photography Apps for Android

Giveaway Tuesdays has officially ended! But don't sweat it, WonderHowTo has another World that's taken its place. Every Tuesday, Phone Snap! invites you to show off your cell phone photography skills. Submit your best shot to our weekly competition for a chance to win an awes ...more

### How To : 11 Micro-Gig Apps to Earn Extra Income Right from Your Phone

The gig economy is thriving, and if you aren't already making money with your phone, you could be missing out on easy residual income. Some people just want extra cash, and some even manage to completely ditch the 9–5, enabling them to work at their own pace and set their own ...more

### How To : All of the Ways You Can Use 3D Touch on Your iPhone

One feature in iOS you're likely underutilizing is 3D Touch, a highly useful, unique tool for iPhones ever since it first appeared on the iPhone 6S. Apple's pressure-sensitive interactivity gives iOS an extra layer of functionality, which can be clearly seen across the entiret ...more

### News : The 50 Best Augmented Reality Apps for iPhone, iPad & Android Devices

Contrary to popular belief, augmented reality apps have been available for a while now. I remember using the Layar app (still available for iOS and Android) to explore nearby businesses and landmarks with varying success via an early-generation Android handset. It would be ha ...more

### News : 24 Cool New Features in iOS 11.3 for iPhone

While iOS 11.3 doesn't have as many new features as iOS 11.2, there's still a lot to love about Apple's latest update for iPad, iPhone, and iPod touch, even if some of the best features we were expecting didn't make the cut. Apple released the iOS 11.3 beta on Jan. 24, and ju ...more

### News : 20 Cool New Features in iOS 11.2 for iPhone

Apple released the iOS 11.2 update for the iPhone to the masses early morning on Dec. 2, and here are all the new features and important bug fixes you need to know about. Of the new features, two of them are ones we thought we'd get when iOS 11 was first released. However, th ...more

### How To : Set Up Grandma's First iPhone (A Guide for Newbie iOS Users)

So, your grandmother finally wants to ditch her flip phone for a shiny new smartphone? Congratulations. But helping her get used to her new device, even when it's an iPhone, is no small task. Grandma mastered checking her email in late-2012 and just recently learned there's a ...more

### Ranked : The 4 Best Phones for Music Lovers — Under \$400

One of the most popular usages of modern-day smartphones is listening to music. It doesn't matter if you download or stream your tunes, you are part of a massive group of users who do exactly the same. While statistics are a bit foggy on how many smartphones users download mus ...more

### News : Every App Icon Change Apple Made on Your Home Screen in iOS 11

One of the least important but most noticeable changes in any iOS update is the look of home screen icons. In the new iOS 11, there aren't any drastic icon differences compared to iOS 10, but there's definitely a few design modifications for some of the main stock apps, such a ...more

### News : Livestock Antibiotic Use Increases Threat of Resistant Microbes to Humans

Antibiotics used to prevent diseases in livestock are creating a world of hurt for humans and the soil we depend on for food. Bacterial resistance to antibiotics is a global health issue. The overuse, underuse, and poor use of these life-saving drugs is rapidly removing them a ...more

### How To : 100+ Apps You Can Use 3D Touch on Right Now

3D Touch is a new feature on the iPhone 6S and 6S Plus that's reinventing the way we interact with our smartphones. With just a little bit of added pressure when tapping on the display, you can perform Quick Actions from an app's home screen icon, "Peek" at emails, stories, an ...more

### How To : Customize Spotlight Search in Mac OS X Yosemite

Spotlight, Apple's selection-based search system, received a major facelift on Mac OS X Yosemite. Packed with dozens of new features, such as a central search window and increased app suggestions, the reworked Spotlight was a breath of fresh air. While the Spotlight Search to ...more

### How To : Make Your Android Look & Feel Like Lollipop Right Now

The new Nexus 6 and Nexus 9 models will be shipping with Android 5.0 Lollipop preinstalled, and the Nexus 4, 5, 7, and 10 will be getting the new OS update from Google very soon. But where does that leave the rest of us? All non-Nexus devices running versions of KitKat will h ...more

### How To : 21 Must-Know Tips & Tricks for Mac OS X Yosemite

By now, you've probably already installed 10.10 Yosemite, the newest version of Mac OS X, on your computer. While you most certainly noticed the visual changes, you might have missed some of the really cool additions. We've spent the last few days getting to know it, and let ...more

### News : 10 Free Android Apps That Make Math Fun (Yes, Really)

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

Apple definitely wasn't first to the widget game, but any iPhone running iOS 8 or higher can add widgets to their Today View found via a swipe down from the top of the screen when on the home screen or in any app. There's even access to widgets on the lock screen via the same ...more

### How To : Get the Galaxy S5's Ultra Power Saving Mode on Your Note 3

My phablet has incredible battery life, but that doesn't mean I wouldn't like it to last even longer. Unlike the Samsung Galaxy S5, the Note 3 does not come equipped with Ultra Power Saving Mode, which can keep the phone running for another 24 hours with only 10% power remaini ...more

### How To : The 15 Most Annoying Things About iOS 7 for iPhone

I've been playing around with iOS 7 for a while now, and for the most part, I dig it. It's a nice update for a stale OS, and there are a lot of great new features. But like any good piece of tech, there are a few things to be disliked. Some of these are big issues, and some co ...more

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