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  2. Elementary arithmetic - Wikipedia

    en.wikipedia.org/wiki/Elementary_arithmetic

    The sum of two numbers is unique; there is only one correct answer for a sums. [8] When the sum of a pair of digits results in a two-digit number, the "tens" digit is referred to as the "carry digit". [9] In elementary arithmetic, students typically learn to add whole numbers and may also learn about topics such as negative numbers and fractions.

  3. Bus stop - Wikipedia

    en.wikipedia.org/wiki/Bus_stop

    A bus stop is a place where buses stop for passengers to get on and off the bus.The construction of bus stops tends to reflect the level of usage, where stops at busy locations may have shelters, seating, and possibly electronic passenger information systems; less busy stops may use a simple pole and flag to mark the location.

  4. Parity bit - Wikipedia

    en.wikipedia.org/wiki/Parity_bit

    In information technology parity refers to the evenness or oddness, given any set of binary digits, of the number of those bits with value one. Because parity is determined by the state of every one of the bits, this property of parity—being dependent upon all the bits and changing its value from even to odd parity if any one bit changes ...

  5. Check digit - Wikipedia

    en.wikipedia.org/wiki/Check_digit

    The final digit of a Universal Product Code, International Article Number, Global Location Number or Global Trade Item Number is a check digit computed as follows: [3] [4]. Add the digits in the odd-numbered positions from the left (first, third, fifth, etc.—not including the check digit) together and multiply by three.

  6. Multiplication algorithm - Wikipedia

    en.wikipedia.org/wiki/Multiplication_algorithm

    Another method of multiplication is called Toom–Cook or Toom-3. The Toom–Cook method splits each number to be multiplied into multiple parts. The Toom–Cook method is one of the generalizations of the Karatsuba method. A three-way Toom–Cook can do a size-3N multiplication for the cost of five size-N multiplications. This accelerates the ...

  7. Request stop - Wikipedia

    en.wikipedia.org/wiki/Request_stop

    A request stop (zastávka na znamení) on Prague city bus line 151Many local bus and tram systems operate most of their stops as request stops. Buses and trams do not service stops unless there is an awaiting passenger or an onboard passenger utilizes an electric bell to signal a stop (generally by pulling a cord, or pushing a button or yellow signaling strip).

  8. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    As 100=10 2, these are two decimal digits. 121: Number expressible with two undecimal digits. 125: Number expressible with three quinary digits. 128: Using as 128=2 7. [clarification needed] 144: Number expressible with two duodecimal digits. 169: Number expressible with two tridecimal digits. 185

  9. Bus bunching - Wikipedia

    en.wikipedia.org/wiki/Bus_bunching

    In public transport, bus bunching, clumping, convoying, piggybacking or platooning is a phenomenon whereby two or more transit vehicles (such as buses or trains) that were scheduled at regular intervals along a common route instead bunch together and form a platoon.