TeX:
\pi = 12 \,{}_2F_1\!\left(-\frac{1}{2}, -\frac{1}{2}, \frac{1}{2}, \frac{1}{4}\right) - 6 \sqrt{3}Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| Pi | The constant pi (3.14...) | |
| Hypergeometric2F1 | Gauss hypergeometric function | |
| Sqrt | Principal square root |
Source code for this entry:
Entry(ID("3d276b"),
Formula(Equal(Pi, Sub(Mul(12, Hypergeometric2F1(Neg(Div(1, 2)), Neg(Div(1, 2)), Div(1, 2), Div(1, 4))), Mul(6, Sqrt(3))))))