The modern system of notation, using ten different numerals including a zero and using position to denote value, appears to be the invention of Hindu mathematicians and astronomers, reaching its present form by the seventh century. The system became...

The Hindu-Arabic numeral system (also called Algorism) is a positional decimal numeral system documented from the 9th century. The symbols (glyphs) used to represent the system are in principle independent of the system itself. The glyphs in actual use...

I chi, ni, san... Otu, abouo ato... Eins, zwei, drei... Have you heard these words before? What might they mean? In case you are not familiar with these words, they mean "One, two, three..." in Japanese, Igbo, and German, respectively. Two of...

DALLAS (AP) _ Fewer drivers are stopping these days at toll booths along the roads connecting downtown Dallas with its northern suburbs. Or on many of the bridges and roads in Oklahoma, Louisiana and parts of the Northeast, for that matter. They're not...