Math Fashion Tips: Two Phis
Fashion commentary on two equivalent notations: Two Phis.
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2025-05-25-math-fashion-tips--phi/ (CC BY-NC 4.0)Transcript
ϕ: "SCOLDING, UPTIGHT, SCHOOLMARMISH" vs. φ: "casual, elegant, 'the cool teacher'"