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The successor FX-7000 GA was released in 1990. [1]The Casio FX-7000G is a calculator which is widely known as being the world's first graphing calculator available to the public.
CPU: Zilog Z80 [3] 6 MHz RAM: 128 KB, 96 KB user-accessible; ROM: 256 KB non-upgradable; Display: 128×64 pixels high-contrast monochrome LCD Data Communication: Serial link port; allows two TI-86 calculators to be connected to each other, or one TI-86 to be connected to a PC, for data transfer via a special link cable
The Gompertz curve or Gompertz function is a type of mathematical model for a time series, named after Benjamin Gompertz (1779–1865). It is a sigmoid function which describes growth as being slowest at the start and end of a given time period.
Ackermann's original three-argument function (,,) is defined recursively as follows for nonnegative integers ,, and ...
H n (x) and He n (x) are n th-degree polynomials for n = 0, 1, 2, 3,....These polynomials are orthogonal with respect to the weight function () = or () = (), i.e., we ...
The Heaviside step function is an often-used step function.. A constant function is a trivial example of a step function. Then there is only one interval, =. The sign function sgn(x), which is −1 for negative numbers and +1 for positive numbers, and is the simplest non-constant step function.
The Taller de Gráfica Popular (Spanish: "People's Graphic Workshop") is an artist's print collective founded in Mexico in 1937 by artists Leopoldo Méndez, [1] Pablo O'Higgins, and Luis Arenal. The collective was primarily concerned with using art to advance revolutionary social causes.
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