\int \frac{e^x}{x}\text{dx} , \int \frac{e^{-x}}{x}\text{dx}, \int e^{-x^2}\text{dx}, \int e^{x^2}\text{dx}, \int \frac{\sin (x)}{x}\text{dx}, \int \frac{\cos (x)}{x}\text{dx}, \int \sin \left(x^2\right)\text{dx}, \int \cos \left(x^2\right)\text{dx},\int \frac{1}{\ln (x)}\text{dx}, \int \frac{1}{\log _ax}\text{dx}, \int x^x\text{dx}, \int e^{e^x}\text{dx}