Exponential Integral En(x) (Graph)
Calculates and graphs a table of the exponential integral En(x).
| \(E_n(x)={\large\int_{\small 1}^{\small\infty}\frac{\large e^{-xt}}{\large t^n}}dt\) |
| \(\normalsize Exponential\ integral\ E_n(x)\\ (1)\ E_n(x)={\large\int_{\small 1}^{\small\infty}\frac{\large e^{-xt}}{\large t^n}}dt\\ (2)\ E_n(0)={\large\frac{1}{n-1}}\\ (3)\ E_1(x)=-E_i(-x)\\\) |
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