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2. Liye Qin Slips - Wikipedia

   en.wikipedia.org/wiki/Liye_Qin_Slips

   The world's oldest example of a multiplication table was found here. [3] [4] The slips, used for writing in ancient times, have great significance in furthering research on Qin dynasty politics, economy and culture. All the historical artifacts from Liye are displayed at the Qin Dynasty Bamboo Slips Museum of Liye (Chinese ...

3. Multiplication table - Wikipedia

   en.wikipedia.org/wiki/Multiplication_table

   Multiplication table from 1 to 10 drawn to scale with the upper-right half labeled with prime factorisations In mathematics , a multiplication table (sometimes, less formally, a times table ) is a mathematical table used to define a multiplication operation for an algebraic system.

4. Promptuary - Wikipedia

   en.wikipedia.org/wiki/Promptuary

   Zeroes may be written in or left blank. This does not affect the operation of the device. The triangle in the bottom left of the table is always blank. The following diagram shows the multiplication table for the simple 7: Napier's Promptuary: multiple diagram for digit 7

5. Multiplication - Wikipedia

   en.wikipedia.org/wiki/Multiplication

   Multiplication by a positive number preserves the order: For a > 0, if b > c, then ab > ac. Multiplication by a negative number reverses the order: For a < 0, if b > c, then ab < ac. The complex numbers do not have an ordering that is compatible with both addition and multiplication. [30]

6. Multiplication algorithm - Wikipedia

   en.wikipedia.org/wiki/Multiplication_algorithm

   It requires memorization of the multiplication table for single digits. This is the usual algorithm for multiplying larger numbers by hand in base 10. A person doing long multiplication on paper will write down all the products and then add them together; an abacus-user will sum the products as soon as each one is computed.

7. Elementary arithmetic - Wikipedia

   en.wikipedia.org/wiki/Elementary_arithmetic

   Multiplication is a mathematical operation of repeated addition. When two numbers are multiplied, the resulting value is a product. The numbers being multiplied are multiplicands, multipliers, or factors. Multiplication can be expressed as "five times three equals fifteen," "five times three is fifteen," or "fifteen is the product of five and ...