Calculator N+ : A Poweful Open Source Math Solver

a poweful free and open source computer algebra system app

If you’re a student, a teacher or work in the STEM field there’s an app you should really check out: Calculator N+. A powerful scientific calculator app for your Android device, that’s free, open source, has no ads and will cover all of your math needs.

The power of the application is through the use of the Symja library. The results are displayed by Latex. The calculator does not show the steps to solve the equations, system of equations, derivative etc,  only for the final result.

You can download Calculator N+ from Google Play or build it from source code.

HOW TO: Remove EXIF Metadata

When you share a photo online, you might share more than bargained for…

They say a picture is worth a thousand words. If you look up the origin of this expression, you’ll find out that it emerged in the USA in the early part of the 20th century. Today, however, a picture is worth much more than that and it can be a threat to your privacy and security.

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HOW TO: Create Stronger Passwords

A password is the most widely used form of authentication around the world. It’s imperial to create strong passwords that will keep your accounts safe.

Year after year the most common passwords discovered in various data breaches, include the same “123456”, “qwerty” and “password”. It’s the end of 2019 and it’s time to change that.

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HOW TO: Get Apple’s iMessage on Your Android Phone [video]

an app created precisely for Android, pixel-perfect design and deep system integration allows for a clean and intuitive messaging experience

AirMessage allows you to use Apple’s iMessage on your Android phone. There’s no hacking involved and the whole process is super simple.

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Prevent Your Mac from Going to Sleep with This Built-in Tool

There’s no need for a third party app. macOS can do that for you out of the box

Computers go to sleep as a way to save energy and prevent unnecessary wear on your hardware. On macOS you can fine-tune this feature in System Preferences > Energy Saver.

But there are times when you might want to prevent your Mac from sleeping, for example until a certain task is completed.  And changing the settings back and forth can be annoying.

There’s an easier way…

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