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  2. List of educational programming languages - Wikipedia

    en.wikipedia.org/wiki/List_of_educational...

    It includes the basic features of modern computers and can be programmed using machine code (usually in decimal) or assembly. The model simulates a computer environment using a visual metaphor of a person (the "Little Man") in a room with 100 mailboxes ( memory ), a calculator (the accumulator ) and a program counter.

  3. Programming language - Wikipedia

    en.wikipedia.org/wiki/Programming_language

    This is an accepted version of this page This is the latest accepted revision, reviewed on 22 February 2025. Language for communicating instructions to a machine The source code for a computer program in C. The gray lines are comments that explain the program to humans. When compiled and run, it will give the output "Hello, world!". A programming language is a system of notation for writing ...

  4. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    Two to the power of n, written as 2 n, is the number of values in which the bits in a binary word of length n can be set, where each bit is either of two values. A word, interpreted as representing an integer in a range starting at zero, referred to as an "unsigned integer", can represent values from 0 (000...000 2) to 2 n − 1 (111...111 2) inclusively.

  5. C (programming language) - Wikipedia

    en.wikipedia.org/wiki/C_(programming_language)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 17 February 2025. General-purpose programming language "C programming language" redirects here. For the book, see The C Programming Language. Not to be confused with C++ or C#. C Logotype used on the cover of the first edition of The C Programming Language Paradigm Multi-paradigm: imperative (procedural ...

  6. Gamma function - Wikipedia

    en.wikipedia.org/wiki/Gamma_function

    Logarithmic gamma function in the complex plane from −2 − 2i to 2 + 2i with colors. is often used since it allows one to determine function values in one strip of width 1 in z from the neighbouring strip. In particular, starting with a good approximation for a z with large real part one may go step by step down to the desired z.

  7. Fast Fourier transform - Wikipedia

    en.wikipedia.org/wiki/Fast_Fourier_transform

    The simplest case of vector-radix is where all of the radices are equal (e.g. vector-radix-2 divides all of the dimensions by two), but this is not necessary. Vector radix with only a single non-unit radix at a time, i.e. r = ( 1 , … , 1 , r , 1 , … , 1 ) {\textstyle \mathbf {r} =\left(1,\ldots ,1,r,1,\ldots ,1\right)} , is essentially a ...

  8. Factorial - Wikipedia

    en.wikipedia.org/wiki/Factorial

    The special case of Legendre's formula for = gives the number of trailing zeros in the decimal representation of the factorials. [57] According to this formula, the number of zeros can be obtained by subtracting the base-5 digits of n {\displaystyle n} from n {\displaystyle n} , and dividing the result by four. [ 58 ]