Heather Crossin learned of Common Core in the fall of 2011 when her daughter brought home a math book linked to the standards that she found to be weaker than the previous textbook.

WSJ: New School Standards Spur a Backlash

And his most recent book is The Math Instinct: Why You're a Mathematical Genius Along With Lobsters, Birds, Cats and Dogs.

NPR: The Math Behind Pellicano's Code

The robot takes the huge order, has a look at the order book, looks at the recent flow of trading, does some math and starts slipping bits of the order out into the market in digestible pieces.

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