Delta: Math helper - With Delta: Math helper, quickly solve any math problem with an algorithm. Save time checking your homework or studying for a test, it’s free!

Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.

Mathway - Mathway is a freemium math solving app that helps you find the solutions to any math problem you can imagine.

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MyScript Calculator - Perform mathematical operations naturally using your handwriting.

quippd - quippd is a social news site that anyone can edit.