y = mx + b That's Where I Draw the Line Pin​

Upgrade your jacket, bag, or hat with fun and expressive pins! Each pin is made with high-quality materials and comes with a secure back clasp. Choose from a variety of themes—from bold skulls to clever quotes. Great for collectors, gifting, or showing off your style.Show off your love for numbers and logic! These math pins feature fun designs like equations, math symbols, pi, and witty math puns. impeccable for teachers, students, tutors, or anyone who believes math is more than just numbers. Great conversation starters or thoughtful gifts for math lovers!Be sure to bundle your favorites. Perfect for everyday use. premium materials and excellent craftsmanship ensure long-lasting durability.