TeX:
\frac{1}{\pi} = \frac{2 \sqrt{3}}{9} \,{}_2F_1\!\left(-\frac{1}{3}, \frac{1}{3}, 1, 1\right)Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| Pi | The constant pi (3.14...) | |
| Sqrt | Principal square root | |
| Hypergeometric2F1 | Gauss hypergeometric function |
Source code for this entry:
Entry(ID("68b73d"),
Formula(Equal(Div(1, Pi), Mul(Div(Mul(2, Sqrt(3)), 9), Hypergeometric2F1(Neg(Div(1, 3)), Div(1, 3), 1, 1)))))