5.1.2 Greatest hits from previous weeks

5.1.2.1 How do I clear all user defined symbols?

https://mathematica.stackexchange.com/questions/850/how-do-i-clear-all-user-defined-symbols

 
Is there some way to do this other than going to Evaluation -> Quit kernel and firing a new one up?
 

- asked by niklasfi (66 votes), answered by Artes (63 votes)

5.1.2.2 How to calculate contour integrals with Mathematica?

https://mathematica.stackexchange.com/questions/34073/how-to-calculate-contour-integrals-with-mathematica

 
How to calculate the integral of $\frac{1}{\sqrt{4 z^2 + 4 z + 3}}$ over the unit circle counterclockwise for each branch of the integrand?
 

- asked by user64494 (31 votes), answered by Artes (54 votes)