|≈||approximately equal to|
|digits||indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …)|
The term "cuerda" (and "Spanish acre") refers to various units of measurement in some Spanish-speaking regions, including Spain,Puerto Rico, Guatemala, Cuba, and Paraguay.
Square megametre (International spelling as used by the International Bureau of Weights and Measures) or Square megameter (American spelling) , symbol Mm2, is the SI prefixes used with the metre of area or surface area.