This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

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 ...

If you buy something using links in our stories, we may earn a commission. This helps support our journalism. Learn more. Please also consider subscribing to WIRED The equal sign is the bedrock of ...

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 ...