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  2. Modular arithmetic - Wikipedia

    en.wikipedia.org/wiki/Modular_arithmetic

    Adding 4 hours to 9 o'clock gives 1 o'clock, since 13 is congruent to 1 modulo 12. In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" when reaching a certain value, called the modulus. The modern approach to modular arithmetic was developed by Carl Friedrich Gauss in his book Disquisitiones ...

  3. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [ 1]

  4. Modulo - Wikipedia

    en.wikipedia.org/wiki/Modulo

    Modulo. In computing, the modulo operation returns the remainder or signed remainder of a division, after one number is divided by another (called the modulus of the operation). Given two positive numbers a and n, a modulo n (often abbreviated as a mod n) is the remainder of the Euclidean division of a by n, where a is the dividend and n is the ...

  5. Flip-flop (electronics) - Wikipedia

    en.wikipedia.org/wiki/Flip-flop_(electronics)

    Flip-flop (electronics) A SR latch ( R1, R2 = 1 kΩ; R3, R4 = 10 kΩ) In electronics, flip-flops and latches are circuits that have two stable states that can store state information – a bistable multivibrator. The circuit can be made to change state by signals applied to one or more control inputs and will output its state (often along with ...

  6. Veterinarian Swears by $1 Food Hack to Help Dogs Live Longer

    www.aol.com/veterinarian-swears-1-food-hack...

    Add eggs. "Eggs really are a nutrition powerhouse for our pets," she explained in the footage. They're "packed full of vitamins and minerals — and also good levels of protein," she explained. At ...

  7. For the millions turning 65 this year, here’s what to know ...

    www.aol.com/finance/millions-turning-65-know...

    Saiff’s scenario — including his confusion — is prevalent. And with 4.1 million Americans turning 65 this year — a record number — the decision is front and center in many households ...

  8. Counter (digital) - Wikipedia

    en.wikipedia.org/wiki/Counter_(digital)

    An electronic counter is a sequential logic circuit that has a clock input signal and a group of output signals that represent an integer "counts" value. Upon each qualified clock edge, the circuit will increment (or decrement, depending on circuit design) the counts. When the counts have reached the end of the counting sequence (maximum counts ...

  9. The Kardashians Swear By These Biological Age Tests. But Do ...

    www.aol.com/lifestyle/kardashians-swear...

    Kris, who is currently 68 years old, was thrilled last year when a full body scan revealed that she had the biological age of a 40-year-old. “I am literally 40 years old—physically,” she ...