Ad
related to: person who invented the abacus made in alabama crossword answer key ideas
Search results
Results From The WOW.Com Content Network
An abacus (pl. abaci or abacuses), also called a counting frame, is a hand-operated calculating tool which was used from ancient times in the ancient Near East, Europe, China, and Russia, until the adoption of the Hindu–Arabic numeral system. [1] An abacus consists of a two-dimensional array of slidable beads (or similar objects). In their ...
Another common clue type is the "hidden clue" or "container", where the answer is hidden in the text of the clue itself. For example, "Made a dug-out, buried, and passed away (4)" is solved by DEAD. The answer is written in the clue: "maDE A Dug-out". "Buried" indicates that the answer is embedded within the clue.
Peyote – indigenous people realized the antibiotic property of peyote and used the extract to treat fevers and enhance the energy in their bodies and treatment as an anesthetic. Pineapple – indigenous people residing in what is now Brazil and the Paraná River valley of Paraguay were the first to cultivate the pineapple. From there ...
For premium support please call: 800-290-4726 more ways to reach us
The book describes methods of doing calculations without aid of an abacus, and as Ore (1948) confirms, for centuries after its publication the algorismists (followers of the style of calculation demonstrated in Liber Abaci) remained in conflict with the abacists (traditionalists who continued to use the abacus in conjunction with Roman numerals).
Horace King (sometimes Horace Godwin) (September 8, 1807 – May 28, 1885) was an African-American architect, engineer, and bridge builder. [1] King is considered the most respected bridge builder of the 19th century Deep South, constructing dozens of bridges in Alabama, Georgia, and Mississippi. [2]
Andrew Jackson Beard (March 29, 1849 – May 10, 1921) was an African American inventor, who introduced five improvements to the automatic railroad car coupler in 1897 and 1899, and was inducted into the National Inventors Hall of Fame in Akron, Ohio in 2006 for this achievement.
A suanpan (top) and a soroban (bottom). The two abaci seen here are of standard size and have thirteen rods each. Another variant of soroban. The soroban is composed of an odd number of columns or rods, each having beads: one separate bead having a value of five, called go-dama (五玉, ごだま, "five-bead") and four beads each having a value of one, called ichi-dama (一玉, いちだま ...