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2. Casting out nines - Wikipedia

   en.wikipedia.org/wiki/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 the same remainder as ...

3. 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.

4. Trachtenberg system - Wikipedia

   en.wikipedia.org/wiki/Trachtenberg_system

   Some of the algorithms Trachtenberg developed are ones for general multiplication, division and addition. Also, the Trachtenberg system includes some specialised methods for multiplying small numbers between 5 and 13. The section on addition demonstrates an effective method of checking calculations that can also be applied to multiplication.

5. Mental calculation - Wikipedia

   en.wikipedia.org/wiki/Mental_calculation

   3. As the n digit multiplication problem grows to ever larger numbers, the number of possible combinations one can use to reach the same answer grows as well; meaning the user can pick and choose the easiest and fastest route to reach the answer to each multiplication problem according to their own specific needs at the time.

6. Dick Vitale says he's cancer-free after 4th bout with the ...

   www.aol.com/dick-vitale-says-hes-cancer...

   Dick Vitale said he's cancer-free after his fourth bout with the disease in just over three years. The 85-year-old ESPN college basketball analyst announced Thursday on social media that he got ...

7. No. 24 UCLA fights back from a 13-point deficit in the second ...

   www.aol.com/no-24-ucla-fights-back-223236185.html

   Tyler Bilodeau scored 17 points, Skyy Clark added 15 and No. 24 UCLA rallied from a 13-point deficit midway through the second half to beat Arizona 57-54 on Saturday. UCLA won its eighth straight ...