Formulas and methods for solving applied problems

• Energy of the phase shift of the current in the inductor
• The electrical capacity of the connection. The method of calculation
• The potential of a charged sphere. The method of calculation
• Values of certain functions
• Approximation formulas for potential difference
• Calculation secluded capacitance unevenly charged sphere
• Some of the amounts of rows with squares of integrals
• Integral with sine in degrees and the cosine module

Numerical solution of differential equations

• Simple methods of numerical solution of some differential equations
• Method of numerical solution of differential equations of the second order
• Table of algorithms for the numerical solutions of some differential equations

Other notes

• Yin-Yang in 3D