Timeline for Making π from 1 2 3 4 5 6 7 8 9
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Sep 9, 2018 at 9:02 | comment | added | Mr Pie | Also, regarding Ramanujan's approximation, it can also be written like this: $$\large\pi\approx \sqrt{\sqrt{3^4+\frac{19^2}{78-56}}}$$ which uses all the digits from $1$ to $9$ too (but not in order). That is a special approximation :D | |
| Apr 19, 2015 at 16:43 | comment | added | lynn | That 10 operation one is extremely cool! | |
| Apr 19, 2015 at 3:31 | history | edited | Glen O | CC BY-SA 3.0 |
added 191 characters in body
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| Apr 18, 2015 at 5:00 | history | answered | Glen O | CC BY-SA 3.0 |