Derivative and Anti-Derivative Cheat Sheet. Check out that cool T-Shirt here: https://www.sunfrog.com/trust-me-im-an-engineer-NEW-DESIGN-2016-Black-Guys.html?53507
Lattice Multiplication Method - A simple way to solve multi-digit multiplication problems.
Wow! Approximately 0.2078795
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Not in English, but still lovely lovely math.
Electric Current, Electric Power, Electrical Voltage Electricity and Electric Charge
20 Useful Websites Every Student Should Know About - College tips, websites that are useful for college students - Great for studying and getting more work done!
This has most likely been posted here before, but it's incredibly useful.