Out-of-Order Math

When someone fails to carry out the operations in a math problem correctly, often because they couldn’t remember the rule, or they use their own oft-flawed logic to do so.

John flunked his recent class test, because he’s a victim of out-of-order math—he repeatedly misused the BODMAS rule to simplify arithmetic expressions, and misapplied the procedure to find the inverse of a matrix.

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