Calculator Plus is a free, easy-to-use calculator app for Android devices that has been named one of the "25 Essential Apps" by USA TODAY. It is designed to be more efficient and effective than traditional handheld calculators or the calculator app on your phone. Calculator Plus remembers all of your calculations, allowing you to review them at any time, making it perfect for shopping, homework, balancing checkbooks, or calculating taxes. It also features an attractive and intuitive design that makes it easy to use.

One of the standout features of Calculator Plus is its ability to show you exactly what's happening in a calculation at all times. It also remembers everything you calculate, so you can take a break and come back later to pick up where you left off. The app displays your calculations in clear, elegant type that's easy to read, with commas in the right places. You can use the backspace key to correct simple mistakes, and the memory function allows you to keep a running total that you can see.

Calculator Plus also has a percentage key that shows exactly what it did, so you're not left confused. It supports advanced math functions, and you can swipe memory keys aside to access them. The app is fully compatible with Multi-Window, allowing for true multitasking on your device. Its intuitive design makes it simple to do everyday calculations on your phone or tablet.

Overall, Calculator Plus is a great app for anyone who needs a reliable and efficient calculator on their Android device. It is free to use, but ad-supported. An ad-free version is also available for purchase.