Math Equation T-Shirt
Math is fun! Wearing math to math class is even more fun. However, I wouldn't try to get away with this shirt on a test day. Great for math teachers, engineers, math majors, and people who just like numbers. Just make sure you know what most of the equations are before you wear it in public.
I want this to brush up my calculus! Looks like it is both fun and helpful!
Yes, much more expensive than your average app but also cheaper, more space efficient and colorful than your average scientific calculator. And you can take a test run before you commit yourself. Easy as pi.
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