Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for ...

Logarithmic convexity type continuous dependence results for discrete harmonic functions defined as solutions of the standard $C^0$ piecewise-linear approximation to Laplace's equation are proved.

Identifying and sketching related functions Inverse of a logarithmic or exponential function The rules from graph translations are used to sketch the derived, inverse or other related functions.