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All equals are not created equal—mathematicians sometimes play fast and loose. In programming, equal signs mean different things, and variables have different types. Turning intuitive math expertise ...

Taken very literally, not all students are created equal -- especially in their math learning skills, say researchers who have found that not fully understanding the "equal sign" in a math problem ...

The equal sign is the bedrock of mathematics. It seems to make an entirely fundamental and uncontroversial statement: These things are exactly the same. But there is ...