Excel can solve equations through several of its mathematical functions, but the single Excel tool that works on the largest variety of equations is the program's Solver Add-in. This tool reads an ...

Heun functions, which generalise the well‐known hypergeometric functions, are solutions to the Heun differential equation – a second‐order linear differential equation with four regular singular ...

Collapse-resistance values for special casing that undergoes external deformation can be calculated with new pressure equations developed by the Southwest Petroleum Institute, China. These equations ...