Trust Metric
Trust Metric — Used in psychology to measure trustworthyness of one member to the rest of the group.More information
All the math
NUMB3RS has opened the eyes of many people to the ways math and science can be used to solve crimes. This is a list of all the math and science concepts used in the series with links to on-line sources to find more information or articles written by mathematicians and scientists explaining the concepts used in episodes.
Straddling Checkerboard
Straddling Checkerboard — used in cryptography to give alphabetic letter a numeric value. Also is known as a monome-dinome cipher.More information
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Bacon’s Cipher
Bacon’s Cipher — an example of steganography devised by Francis Bacon using A’s and B’s to hide messages.More information
Wheat and Chessboard Problem
Wheat and Chessboard Problem — an example of a geometric series where each space on a chessboard has double the number of grains of wheat as the previous squareMore information
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Knapsack Algorithm
Knapsack Algorithm — a problem in combinatorics simply define as a maximization problem of choosing possible essentials that can fit into one bag.More information
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Microcredit
Microcredit — a loan system creating self-employment for income-generating activities and housing for the poorMore information
Greedy Algorithm
Greedy Algorithm — a way to find the optimized solution to certain problemsMore information
Lunar Phases
Lunar Phases — a cyclical change in the visible portion of the Moon as seen from the EarthMore information
Equivalent Retaliation Protocol
Equivalent Retaliation Protocol — or "tit for tat" — an aspect of game theory developed by Anton Rapoport in the 1980’s. It’s a strategy for cooperative behavior in which an individual, at each stage, plays the action last played by another against it.More information
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Quipu
Quipu — a system of wool cords tied in knots developed by the Inca. The cords acted as an accounting system and form of writingMore information