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2. Casting out nines - Wikipedia

   en.wikipedia.org/wiki/Casting_out_nines

   Casting out nines. Casting out nines is any of three arithmetical procedures: [1] Adding the decimal digits of a positive whole number, while optionally ignoring any 9s or digits which sum to 9 or a multiple of 9. The result of this procedure is a number which is smaller than the original whenever the original has more than one digit, leaves ...

3. Trachtenberg system - Wikipedia

   en.wikipedia.org/wiki/Trachtenberg_system

   Trachtenberg system. The Trachtenberg system is a system of rapid mental calculation. The system consists of a number of readily memorized operations that allow one to perform arithmetic computations very quickly. It was developed by the Russian engineer Jakow Trachtenberg in order to keep his mind occupied while being in a Nazi concentration camp.

4. List of Cyberchase episodes - Wikipedia

   en.wikipedia.org/wiki/List_of_Cyberchase_episodes

   Cyberchase is an animated mathematics series that currently airs on PBS Kids.The show revolves around three Earth children (Jackie, Matt, and Inez) who use mathematics and problem-solving skills to save Cyberspace from a villain known as The Hacker.

5. Tyrel Dodson already at home with Seahawks, already ... - AOL

   www.aol.com/tyrel-dodson-already-home-seahawks...

   Seahawks linebacker Tyrel Dodson spent his team off day Monday, Sept. 17, 2024, playing the Mario Kart video game and visiting with patients at Seattle Children’s Hospital, in its Therapeutic ...

6. Experts Reveal the 6 Surprising Indicators of Longevity You ...

   www.aol.com/experts-reveal-6-surprising...

   The teen makes a fist and (with the help of a few sci-fi video tricks) a metallic compartment in his forearm opens, revealing a vial of blood. “I got you, Dad,” he replies, taking it and ...

7. Multiplication algorithm - Wikipedia

   en.wikipedia.org/wiki/Multiplication_algorithm

   A multiplication algorithm is an algorithm (or method) to multiply two numbers. Depending on the size of the numbers, different algorithms are more efficient than others. Numerous algorithms are known and there has been much research into the topic. The oldest and simplest method, known since antiquity as long multiplication or grade-school ...