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£19.99Plus shipping
e = π on Water bottle with straw
Stick this water bottle in your backpack, and you’ll quench the thirst when it hits you. It’s a trendy companion that can also be attached to your bag with a snap hook. What's more, it comes fully equipped with a hinged mouthpiece and straw.
- With screw cap with grip eyelet
- Volume: 600 ml
- Material: stainless steel
- Hand-washing recommended
- BPA-free
- A - Length in in
- B - Width in in
| Size | A (in) | B (in) |
|---|---|---|
| 600 ml | 8.66 | 2.76 |
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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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