$Pink t-shirt, same fun STEM derivatives graphic—trendy color for tutoring, women in STEM, or back-to-school outfits.$
$Black t-shirt with calculus derivative joke—cow for f(x), milk carton for f’(x), cheese wedge for f’’(x)—funny math and STEM shirt for teachers and students.$
$Heather gray t-shirt, featuring the same calculus cow, milk, and cheese derivative joke, perfect for math lovers and math club swag.$
$Royal blue t-shirt with playful calculus and dairy pun illustration, ideal gift for math geeks and professors who love humor.$
$Purple math teacher t-shirt with f(x) cow, f’(x) milk, f’’(x) cheese—clever, nerdy graphic for calculus classroom laughter.$
$Red version of the calculus dairy pun t-shirt, awesome STEM student gift and unique teacher appreciation apparel.$
$Female group models wearing pink and black calculus derivative cow pun t-shirts, showing style and fit for teachers, students, and nerd fashion fans.$
$Men models dressed in black calculus cow-milk-cheese t-shirts, demonstrating unisex fit and humorous nerd teacher swag.$

Cowclus Calculus Derivative Mathematics Funny Math Teacher T-Shirt Gift

$21.99 USD

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Product Description:

Bring laughter to your calculus class with the "Derivative Cow" Math T-Shirt! This clever black tee visualizes the calculus concept of derivatives using a

whimsical cartoon:

f(x)= Cow

f′(x)= Milk carton

f′′(x)= Cheese wedge

The visual pun combines classic calculus notation with farm animals and dairy products, making it an instant conversation starter for math teachers, professors, students, and anyone with a love for nerdy STEM humor. The quirky, graphic layout pops with white formulas and fun, detailed illustrations, perfect for tutoring sessions, Pi Day, or mathlete competitions.

Ideal for teachers who want to make abstract concepts memorable, gifted math geeks, or as a laugh-out-loud gift for test prep, graduation, or math club. This shirt will have classmates, faculty, and science fair judges smiling—and remembering those key calculus rules!

Perfect For:

✓ Math teachers, tutors, and calculus professors

✓ Students, mathletes, and STEM club members

✓ Classroom lessons, math competitions, Pi Day

✓ STEM festivals, college majors, education week

✓ Science lovers, nerd culture, and pun enthusiasts

Why This Matters:

Turning tough topics into visual jokes makes math fun, memorable, and approachable. With this tee, you’ll bring joy to problem-solving while showing off your math pride and humor.

Product Features:

Product Features

100% cotton (solid colors) — medium-weight 180 g/m² for year-round comfort
Twill shoulder tape and tubular-knit construction to prevent stretching and maintain shape
Ribbed seamless collar + tear-away label for irritation-free wear
High-quality DTG/DTF printing for crisp, durable artwork on front, sleeves, or inner neck
Made from ethically sourced, Oeko-Tex certified US cotton