Euler's Number Coaster

Celebrate the elegance of mathematics, one digit at a time.

A perfect blend of science and sustainability, this Euler’s Number Coaster is precision laser-engraved with the mathematical constant e to 250 decimal places. Whether you're a maths enthusiast, data scientist, or just love a clever gift, this eco-friendly wood coaster is a beautiful tribute to one of nature’s most important numbers.

Its minimalist design and spiral digit layout make it a stunning conversation starter — practical enough for your coffee, cool enough for your desk.

Product Features

• Diameter: 82 mm
• Made from eco-friendly, sustainably sourced wood
• Laser-engraved with 250 digits of Euler’s number
• Supplied with a soft felt backing to protect surfaces

Perfect For

• Maths lovers
• Teachers, scientists, and engineers
• Eco-conscious gift giving
• Unique home or office decor