Cartão Cute Math Nerd Bear with Pie

Adorable and funny math-themed illustration featuring a cute cartoon bear enjoying a slice of pie while holding a calculator, surrounded by Pi symbols and the playful phrase “Keep Calm & Eat Pi.” Perfect for math lovers, teachers, students, and nerd culture fans. A cheerful, clean cartoon style design that works great on stickers, cards, notebooks, posters, and gifts for Pi Day and STEM celebrations. Great choice for anyone who loves math humor and cute characters.