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e = π on Buttons small 1''/25 mm (5-pack)
Word up! Buttons are a subtle but effective accessory to carry statements in a stylish way. Use them as a small gift to spread some joy or for your own purposes to spread the word.
- Set of 5
- Backside with stick pin
- Diameter: 1''/25 mm
- Material: Metal, plastic
- A - Length in in
| Size | A (in) |
|---|---|
| One Size | 0.98 |
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Created by HaveFun
e = π
Created by HaveFun
Euler's number e is 2.7182. Rounding up gives the 3. The circle number Pi π is 3,, 1415. Rounding up this also gives 3. Consequently, e = π. Fantastic gift for mathematicians.
Tags: π, gift idea, constant, e, maths, ≈, Mathematics, mathematician, 7182, 1415, 2, 3, mathematic, pi, present
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