Solve Compound Interest Problems

If you're marginally inclined towards computers, you've probably been approached at some point by a family member who wants you to "fix" their system during a visit home. With the holidays coming up, these opportunities (or ambushes) are even more likely. Even if nothing is w ...more

As people continue to upgrade their PCs to Microsoft Windows 8, more and more developers are adding content to the Windows Store. While the offerings are not as vast as Google Play or the iTunes App Store, it does have some solid apps for both productive users and those lookin ...more

Discovering great mobile games is difficult. With over 300 thousand games on the Play Store — not including the hundreds more available by sideloading — finding the right one to invest your time and money in can be hard. The Play Store's rating system is helpful, but ratings a ...more

It's common for IoT devices like Wi-Fi security cameras to host a website for controlling or configuring the camera that uses HTTP instead of the more secure HTTPS. This means anyone with the network password can see traffic to and from the camera, allowing a hacker to interce ...more

One could argue that, at least for the moment, software development is more important to the augmented reality experience than hardware. Since a viable augmented reality headset has yet to emerge for the broader, mainstream consumer market, currently, the same devices that mak ...more

Developers creating login systems know better than to store passwords in plain text, usually storing hashes of a password to prevent storing the credentials in a way a hacker could steal. Due to the way hashes work, not all are created equal. Some are more vulnerable than othe ...more

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

While hackers adore the command line, working with the GUI (graphical user interface) of an operating system has some advantages. This is especially true when it comes to post-exploitation. When we can control the mouse and keyboard of a remote computer, we can truly say we ha ...more

Hi, everyone! Recently, I've been working on a pretty interesting and foolish project I had in mind, and here I'm bringing to all of you my findings. This guide's main aim is to document the process of building an Android kernel, specifically a CyanogenMod kernel and ROM, and ...more

Telemarketers can be as terrifying as a villain from a horror film. Your phone rings with an unknown 800 number, and you immediately fill with a sense of dread. There's no way to get them to stop calling; you imagine the number appearing on your phone at all hours of the day a ...more

Sometimes I forget that I'm also a fiction writer, so I thought it might be a nice change of pace to share one of my stories with you. I wrote this piece awhile ago for an anthology that never came together and I'm tired of just sitting on it. It's one of the more odd stories ...more

The process of trying out new augmented reality and virtual reality hardware is as personal as it gets. Bottom line, if you can't directly try these immersive devices on, it's difficult to really understand the benefits they can bring to your life and work. That's why the Cov ...more

The Nintendo Switch and Switch Lite are console gaming on the go — with zero regards for modern audio features. Headphone jack? Check. Bluetooth connectivity? Not so much. While Nintendo seems to think we're all happy to live like it's 2015, there's a way to use your AirPods w ...more

Over the past decade, Marvel Studios has been a dominant force at the box office, raking in more than $21 billion dollars. Averaged out over that span of time, the yearly earnings of those movies outweigh the gross domestic product of some countries. And while those films hav ...more

Smartphones are now indispensable when traveling. Domestic and overseas travel alike require food, navigation, translation, and so much more to make work or vacation successful. Gone are the days of lugging multiple tourist books around with you everywhere you go — you need to ...more

All fields of study have their own language. For people interested in learning about microbes, the language can sometimes be downright difficult — but it doesn't need to be. From antibiotics to xerophiles, we have you covered in an easy-to-understand glossary. Terms are liste ...more

The hottest word game right now is Wordle, a simple game that gives you six chances to guess the five-letter word of the day. I've already shown how you can add the real Wordle app — not a fake clone — to your iPhone or Android phone's home screen. But there's also a way to sa ...more

When Microsoft unveiled Mesh a couple of weeks ago, the move revealed a major part of Microsoft's next steps toward dominating the augmented reality space, particularly with regard to enterprise customers. But aside from the general details contained in the announcement, what ...more

Individually addressable LEDs, also commonly called "NeoPixels" after the popular Adafruit product, are a bright and colorful way to get started with basic Python programming. With an inexpensive ESP8266 or ESP32 microcontroller, it's easy to get started programming your own h ...more

While photography usually gets all the love, our phones have gotten really good at capturing video. Think about it — when was the last time you needed a camcorder for a vacation? With mobile cameras getting better each year, we're now at a point where smartphones can be used f ...more

This year's big iPhone update, iOS 12, aims to solve many of the issues that arose during iOS 11's controversial, buggy tenure. With that in mind, it may be tempting to jump on board the new software immediately and leave iOS 11 in the dust for good. Here are some reasons why ...more

Besside-ng is the hidden gem of the Aircrack-ng suite of Wi-Fi hacking tools. When run with a wireless network adapter capable of packet injection, Besside-ng can harvest WPA handshakes from any network with an active user — and crack WEP passwords outright. Unlike many tools, ...more

Apple's iOS 15.4 update for iPhone is out after 46 days of beta testing, and it has some exciting features you won't want to miss. Here's everything you need to know about the new software. The iOS 15.4 software has been available to developers since Jan. 27, 2022, and public ...more