This poster includes euler's number representation as a sum of an infinite series.
The number e is a famous irrational number, and is one of the most important numbers in mathematics.
This Poster is printed on waterproof tear resistant material, using high definition UV inks, for indoor or outdoor use. It doesn't come with frame.
All produced and designed by Buttered Kat, Proudly Made in the USA!
4-5 business days
Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.
Just contact me within: 14 days of delivery
Ship items back to me within: 30 days of delivery
But please contact me if you have any problems with your order.
Because of the nature of these items, unless they arrive damaged or defective, I can't accept returns for:
Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.