What Is a Nomogram and Why Would It Interest Me? (opens in new tab)

A nomogram or nomograph is a diagram that provides an easy, graphical way of calculating the result of a mathematical formula. Sometimes also called an alignment chart, a nomogram consists of a set of numbered scales, usually one for each variable in the formula, arranged so that a straightedge can be placed across known values to find the unknown value that solves the formula. Since an equation in two variables is usually represented by a graph, most nomograms represent formulas that involve...