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21TRS-80 Model 100 — Developer Kyocera, Tandy, Microsoft Release date 1983 (1983) …
22Chi-square distribution — Probability distribution name =chi square type =density pdf cdf parameters =k > 0, degrees of freedom support =x in [0; +infty), pdf =frac{(1/2)^{k/2{Gamma(k/2)} x^{k/2 1} e^{ x/2}, cdf =frac{gamma(k/2,x/2)}{Gamma(k/2)}, mean =k, median… …
23Rule of 72 — In finance, the rule of 72, the rule of 70 and the rule of 69 are methods for estimating an investment s doubling time. The number in the title is divided by the interest percentage per period to get the approximate number of periods needed for… …
24HP 200LX — The HP 200LX (also known as Project Felix) is a personal digital assistant introduced by Hewlett Packard in 1994. It was often called a palmtop computer, and it was notable that it was, with some minor exceptions, a 100% MS DOS compatible… …
25Massachusetts Library Association — The Massachusetts Library Association (MLA) is the Massachusetts, United States professional library association that advocates for libraries, librarians, and library staff, defends intellectual freedom, and provides a forum for leadership,… …
26Dependency graph — In mathematics, computer science and digital electronics, a dependency graph is a directed graph representing dependencies of several objects towards each other. It is possible to derive an evaluation order or the absence of an evaluation order… …
27Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of …
28External ballistics — is the part of the science of ballistics that deals with the behaviour of a non powered projectile in flight. External ballistics is frequently associated with firearms, and deals with the behaviour of the bullet after it exits the barrel and… …
29Saponification value — (or saponification number / Koettstorfer number ,[1] also referred to as sap in short) represents the number of milligrams of potassium hydroxide required to saponify 1g of fat under the conditions specified. It is a measure of the average… …
30List of interactive geometry software — Interactive geometry software (IGS, or dynamic geometry environments, DGEs) are computer programs which allow one to create and then manipulate geometric constructions, primarily in plane geometry. In most IGS, one starts construction by putting… …
