How to Calculate Risk Free Rate in Excel

Cases and stickers are always great, but they aren't the only way to customize an iPhone. The software on your device is full of customization options, from a better-looking home screen and cooler lock screen wallpapers to app icon changes and a system-wide dark mode. There's ...more

According to a study done by Kaspersky, 7.6% of Android users root their phones. That may not sound like a lot, but with over 2 billion Android devices out there, the math works out to over 150 million rooted phones — more than the total population of Russia, Mexico, or Japan ...more

While the portability of mobile phones makes gaming convenient, it isn't a perfect playing experience. With touch controls, small screens, and limited specs, smartphones lack the comfortability of dedicated gaming devices. But with a few tips, you can enjoy games as if you wer ...more

Trying to figure out which music streaming service to subscribe to can be a difficult task when the playing field is so crowded. Each has its benefits, as well as downsides, so finding the right one for your needs and wants can take a lot of overwhelming research. But we've do ...more

If you want to get started sniffing Wi-Fi networks, you usually need to start with a wireless network adapter. But thanks to a Wi-Fi sniffing library written in Arduino and the ultra-cheap ESP8266 chip, you might not need one. For less than $10 in electronics, you can build a ...more

Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more

The tactic of brute-forcing a login, i.e., trying many passwords very quickly until the correct one is discovered, can be easy for services like SSH or Telnet. For something like a website login page, we must identify different elements of the page first. Thanks to a Python to ...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

Stories are everywhere in social media today, but that wasn't always the case. In 2013, Snapchat introduced the world to these temporary windows into our daily lives. Since then, stories have infiltrated other popular apps. However, to stand out, you can't solely rely on the a ...more

Out of the box, Apple's digital assistant could be a godsend or a nuisance, depending on your daily interactions it. No matter which camp you fall into, Siri can always be better suited to your personal needs with a little customization. You can make Siri a powerhouse not to b ...more

It's not easy staying fit and healthy these days with addicting phones, oversized portions, and long workdays, to name just a few things. To succeed, it takes work, commitment, and an understanding of your mind and body — and your iPhone can help you with some of that. While A ...more

Creating GIFs of your own burst images has been possible for a while with third-party iOS apps, some of which cost money or include in-app purchases to utilize the full potential. Fortunately, with Shortcuts, Apple's automation workflow app, there's finally a native way to ach ...more

With the list of available mobile apps for moviegoers constantly expanding and improving, seeing a film at your local theater has never been better. With the right apps for your iPhone or Android phone, you can research movies, find out if showings are sold out, reserve seats, ...more

You can feel it in your bones. You may die if you don't get this phone. There's just one problem — the price. Suddenly, you come across what seems like manna from heaven. That very device, at a deeply discounted rate, can be yours. The only thing that makes you pause is that ...more

There's always an iPhone in our list of top phones for privacy and security, due in large part to advanced security measures like Face ID, consistent iOS updates, and easy ways to prevent unwanted access and excessive data sharing. However, some of those options actually do th ...more

As of 2016, there are approximately 1.85 billion Android smartphones worldwide. This growing popularity has led to an increasing number hacks and cyber attacks against the OS. Unfortunately, Android users need more protection than what is offered by Google. The good thing is t ...more

Coinbase is the primary go-to for many users when it comes to investing in Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Ripple (XRP), and more, due to its user-friendly interface. But before you join them, know that the ease of use comes with a price. Coinbase charges fees f ...more

The public leaks of NSA tools and information have led to the release of previously secret zero-day exploits such as EternalBlue, which was used in the notorious WannaCry ransomware attack. Despite multiple patches being released, many users have failed to update their systems ...more

Because of the way Google Play works, Android has a "bad app" problem. Google allows any developer to upload an app to the Play Store, regardless of if it works, how it looks, or whether or not it can harm users. Malware scanning happens primarily after apps are uploaded, and ...more

Andre was enjoying the carefree life of a 12-year-old with his friends, riding his bike and playing sports, like all kids that age. Schoolwork wasn't hard for him, and his grades showed that. Then, the headaches began. He lost vision in one eye, symptoms that drove his famil ...more

It's about time people acknowledged that judging drug users would do nothing productive to help them. In the US this week, two new programs are launching that should help addicts be a little safer: Walgreens Healthcare Clinic will begin offering to test for HIV and hepatitis C ...more

For some, drinking raw milk is a way to get back to nature, improve family nutrition, and hedge against asthma and allergies. However, according to public health authorities, drinking raw or unpasteurized milk is a big mistake—even fatal. So what's the story? Animal milk prod ...more

It seems like everyone is getting in shape these days (or at least trying to improve their fitness), and as a result, there's an endless supply of fitness trackers and smartwatches hitting the market. This is all very wonderful, unless of course, you're broke and can barely af ...more

Smartphone games are getting pretty good these days, but they still can't beat the retro appeal of a good emulator. I mean, who wouldn't want to have their all-time favorite console and arcade games tucked neatly in their front pocket? Classics ranging from Super Mario Bros. t ...more

Android's permission system doles out access to certain system-level functions. Without it, our favorite apps wouldn't be able to perform their most basic operations. Picture a camera app that didn't have permission to access your camera sensor—now that wouldn't be much fun at ...more

There are many, many home remedies out there for relieving itchy mosquito bites. Everything from mud to banana peels and basil leaves to Alka-Seltzer tablets can help curb the itch. But before you even have to resort to any of those methods, you should be thinking about preven ...more

Ever use an open hotspot on your Note 3, only to find out that it's severely restricted to what sites you can access? While getting online with free Wi-Fi is great for those who have a limited data plan, when that one site you absolutely need to visit is blocked, you're left f ...more