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2. Grid method multiplication - Wikipedia

   en.wikipedia.org/wiki/Grid_method_multiplication

   The grid method (also known as the box method) of multiplication is an introductory approach to multi-digit multiplication calculations that involve numbers larger than ten. Because it is often taught in mathematics education at the level of primary school or elementary school , this algorithm is sometimes called the grammar school method.

3. Multiplication algorithm - Wikipedia

   en.wikipedia.org/wiki/Multiplication_algorithm

   For 8-bit integers the table of quarter squares will have 2 9 −1=511 entries (one entry for the full range 0..510 of possible sums, the differences using only the first 256 entries in range 0..255) or 2 9 −1=511 entries (using for negative differences the technique of 2-complements and 9-bit masking, which avoids testing the sign of ...

4. Multiplication table - Wikipedia

   en.wikipedia.org/wiki/Multiplication_table

   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. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for arithmetic operations ...

5. Box-drawing characters - Wikipedia

   en.wikipedia.org/wiki/Box-drawing_characters

   The BBC Micro could utilize the Teletext 7-bit character set, which had 128 box-drawing characters, whose code points were shared with the regular alphanumeric and punctuation characters. Control characters were used to switch between regular text and box drawing.

6. Napier's bones - Wikipedia

   en.wikipedia.org/wiki/Napier's_bones

   Napier's bones is a manually operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers. The method was based on lattice multiplication, and also called rabdology, a word invented by Napier.

7. Template:5x - Wikipedia

   en.wikipedia.org/wiki/Template:5x

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

8. Letter (paper size) - Wikipedia

   en.wikipedia.org/wiki/Letter_(paper_size)

   The precise origins of the dimensions of US letter-size paper (8.5 × 11 in) are not known. The American Forest & Paper Association says that the standard US dimensions have their origin in the days of manual papermaking, the 11-inch length of the standard paper being about a quarter of "the average maximum stretch of an experienced vatman's arms". [2]

9. Gridrunner - Wikipedia

   en.wikipedia.org/wiki/Gridrunner

   A second sequel, Voidrunner, followed in 1987, which abandons the grid backgrounds, and features more colorful and elaborate graphics. In 1991, Llamasoft released Super Gridrunner for the Atari ST. The first 32-bit title in the series, it added power-ups to the series for the first time, while retaining the basic elements of a single-screen ...