In the mathematical study of cellular automata, Rule 90 is an elementary cellular automaton based on the exclusive or function. It consists of a one-dimensional...

include the 1–9–90 rule (sometimes 90–9–1 principle or the 89:10:1 ratio), which states that in a collaborative website such as a wiki, 90% of the participants...

The 90–10 rule refers to a U.S. regulation that governs for-profit higher education. It caps the percentage of revenue that a proprietary school can receive...

engineering, the ninety-ninety rule is a humorous aphorism that states: The first 90 percent of the code accounts for the first 90 percent of the development...

Rule 77 Rule 78 Rule 79 Rule 80 Rule 81 Rule 82 Rule 83 Rule 84 Rule 85 Rule 86 Rule 87 Rule 88 Rule 89 Rule 90 Rule 91 Rule 92 Rule 93 Rule 94 Rule 95...

Rule 30 is an elementary cellular automaton introduced by Stephen Wolfram in 1983. Using Wolfram's classification scheme, Rule 30 is a Class III rule...

schematic diagram of the reconstruction of a cyclic tag system in Rule 110. Rule 30 Rule 90 Rule 184 110 is the number 110, written in conventional decimal notation...

The Pareto principle (also known as the 80/20 rule, the law of the vital few and the principle of factor sparsity) states that for many outcomes, roughly...

Mary Janice Rule (August 15, 1931 – October 17, 2003) was an American actress and psychotherapist, earning her PhD while still acting, then acting occasionally...

isomorphic). The rule 30, rule 90, rule 110, and rule 184 cellular automata are particularly interesting. The images below show the history of rules 30 and 110...