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Lotka-Volterra Predator-Prey Simulator Show Theory & Equations The Lotka-Volterra Model The Lotka-Volterra equations, also known as the predator-prey equations, are a pair of first-order nonlinear differential equations frequently used to

Simpson's Diversity Index Calculator Show Theory & Instructions Understanding Simpson's Diversity Indices Simpson's Diversity Index is a measure of diversity that takes into account both species richness (the number of

Brillouin Index (HB) Calculator Show Theory & Instructions Understanding Brillouin's Diversity Index (HB) Brillouin's Index (HB) is a measure of species diversity that is particularly suited for collections where all

Species Richness (S) Calculator Show Theory & Instructions Understanding Species Richness (S) Species Richness (S) is the simplest measure of biodiversity and is defined as the total number of different