Mathematical Expression Posters and Art Prints

Description: A mathematical expression in white text on a black background. The expression shows the square root of 'n' multiplied by 'Xn p', followed by a white arrow pointing right, then 'd N(0 sigma squared)'.

Description: A black background features a red banner at the top with white text that reads 'THE LIMIT DOES NOT EXIST'. Below the banner, in white text, is a mathematical equation for a limit: 'lim = (1-x)-sin x / 1-cos^2 as x appochs 0'.

Description: Math puzzle tee. Square root fun! Clever number play on a shirt. Solve it if you can! Math humor apparel.