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geometric mean and arithmetic mean T-Shirt
Sale Price CA$40.25. Original Price CA$47.35.
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Let there be light (Maxwell's equations) T-Shirt
Sale Price CA$49.77. Original Price CA$58.55.
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calculus/physics joke--derivative of acceleration T-Shirt
Sale Price CA$32.81. Original Price CA$38.60.
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Calculus joke travel mug
Sale Price CA$29.58. Original Price CA$34.80.
calculus/physics joke button
PriceCA$5.25
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Calculus joke tie
Sale Price CA$45.82. Original Price CA$53.90.
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calculus/physics joke T-Shirt
Sale Price CA$41.19. Original Price CA$48.45.
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calculus joke T-Shirt
Sale Price CA$33.03. Original Price CA$38.85.
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calculus joke hoodie
Sale Price CA$78.93. Original Price CA$92.85.