Matthew Bognar

Compute probabilities, determine percentiles, and plot the probability density function for the normal (Gaussian), t, chi-square, F, exponential, gamm …

Compute probabilities and plot the probability mass function for the binomial, Poisson, hypergeometric, and negative binomial distributions. Compute p …

This application approximates the length of exposure for various B&W films (and some color films) in low light situations. In low light, extra exposur …

Focus Assistant Pro calculates the depth of field and hyperfocal distance for photography. It also computes the minimum and maximum distances at which …

Flash Assistant helps you determine the correct flash-to-subject distance, aperture, ISO, or flash power when using a manual flash unit. Flash Assista …