Noun
a decimal with a sequence of digits that repeats itself indefinitely
Source: WordNetThis formula can be derived as follows: put : Applications Repeating decimals main A repeating decimal can be thought of as a geometric series whose common ratio is a power of 1/10. Source: Internet
Decimal fractions have terminating decimal representations and other fractions have repeating decimal representations, whereas irrational numbers have infinite non-repeating decimal representations. Source: Internet
Therefore, 1 Torr is equal to Pa. The decimal form of this fraction (main) is an infinitely long, periodically repeating decimal ( repetend length: 18). Source: Internet