Pi Sign T-Shirts

Description: Pi sign and numbers are fascinating smart people for centuries. Technical, sketchy artsy look. Celebrate Pi Day March 14!

Description: Pi symbol design with rotating squares and round Pi sequence. Celebrate Pi Day March 14!

Description: Peace Love Pi features a peace sign, heart, and pi symbol for Pi Day. A funny math geek gift for an algebra teacher obsessed with the concept of pi.

Description: Pi Approximation Day! Twenty Second of July, Pi Approximation Day, 22 divided by 7 equals approximately 3.14. Fascinating smart people for a long time. Good choice for anybody with interest in mathematics, sciences, engineering, history, etc. Black version.

Description: A rectangular sign with rounded corners, mimicking a road sign. The sign has a white background with black text and borders. The text reads "COME TO MATH SIDE WE HAVE PI" with a large "PI" symbol. The overall style is distressed.

Description: Pi symbol and spiral numbers. Good choice for geeks and anybody with interest in mathematics, sciences, engineering, history, etc. Fascinating smart people for a long time. Celebrate Pi Day, March, 14!

Description: Celebrate harmony and beauty with this elegant Libra-inspired design. Featuring a detailed Art Nouveau illustration of the iconic Libra scales surrounded by soft pink roses and ornate golden flourishes, this artwork captures the essence of balance, love, and refinement. Perfect for astrology lovers, zodiac enthusiasts, and anyone drawn to vintage floral aesthetics. This timeless design makes a great gift for Libra birthdays or anyone who appreciates celestial symbolism and romantic botanical art. Ideal for t-shirts, hoodies, posters, and more—add a touch of graceful energy to your everyday style.

Description: Vintage art showing a powerful dragon guarding a stack of prized books. Declare your love for extensive reading collections with this unique graphic. A great piece for fantasy fans and avid collectors.

Description: Clean stop sign visual featuring a palm icon with fractions and the statement Don't Make Me Convert Fractions. Created for math teachers, tutors, and STEM majors who handle complex numbers daily. Makes a hilarious statement for high school classrooms, math clubs, and educational events.

Description: A humorous design featuring the quote 'Warning I May Start Talking About Math At Any Time' surrounded by classic math symbols and graphs. Perfect for passionate math teachers, students, and everyday numbers geeks.

Description: Capture the intuitive and deep energy of the cosmos with this mystical PISCES zodiac illustration. Designed for astrology lovers and spiritual souls looking for a dreamy aesthetic touch on stickers, shirts, phone cases, and home decor.

Description: Pi, π, spiral, science, mathematics, math, irrational number, sequence: perfect gift idea for all those who love math symbols. For mathematician, teacher, student, pi day, party & festival.

Description: Black and white pi sign original art.

Description: Another Pi Approximation Day design. Another Pi Day! Twenty Second of July, Pi Approximation Day, 22 divided by 7 equals approximately 3.14. Fascinating smart people for a long time. Good choice for anybody with interest in mathematics, sciences, engineering, history, etc.

Description: This design is also available on many different products including stickers, shirts, mugs, phone cases. Toy buy this design, choose your product, click add to cart and checkout!

Description: Ride the wave of mathematics with our "Pi Day Tsunami" t-shirt, where the legendary Great Wave off Kanagawa crashes into the world of Pi. This unique design celebrates the beauty of mathematics by intertwining the iconic Japanese artwork with the infinite complexity of Pi (π), symbolizing the endless possibilities that mathematics offers to the world. Perfect for math lovers, art enthusiasts, and anyone who appreciates the fusion of culture and science, this shirt is a must-have for Pi Day celebrations, math events, or simply as a testament to the wearer's diverse passions.

Description: Pi, π, spiral, Science, Mathematics, Math, Irrational Number, Sequence. Perfect gift idea for all those who love math symbols. For mathematician, teacher, student, pi day, party & festival.

Description: Pi sign art executed in action painting style. Emotional Pi.