Expats and tourists from the United States come to Costa Rica with a handicap. While most of the rest of the world, including Costa Rica, is using the metric system, the U.S., despite several efforts ...

A metric prefix is a numerical multiplier that is placed before a basic unit of measure to indicate a specified multiple or fraction of that unit. The 20 recognized metric prefixes have been specified ...

We Americans measure things our own way. Our yardsticks are marked in feet and inches, measures that are unfathomable to foreigners, nearly all of whom have been brought up in a decimals-only ...