Weights and Measures
As a convenience to people using different measurement systems, you can enclose measures inside double curly braces, and if possible, they will be converted for display in the user's preferred system (as set in the Format dialog). For example, if you enter "{ { 32 °F } }" (but without the spaces between the curly braces), if the user has selected the metric style, this will display as "0 °C", while in the scientific style, it will be "273.15 K". (The scientific style also differs from metric in showing speeds as m/s instead of km/hr, and it displays numbers in scientific notation if the exponent is greater than 2.)The numeric values can be written as 32-bit floating point numbers, or in exponential notation (e.g., "1.23e4"). In the scientific style, all numbers are rounded to 2 digits (e.g., 1.23 × 104). For this reason, scientists might prefer to enter full-accuracy numbers into their documents, and to let QDL do the rounding on the fly.The following table shows the units that will be displayed, given the units specified by the author. Note that for convenience, unit exponents are specified with the "^" character, while they are displayed in superscripts.
specified imperial metric scientific °F/°C/K °F °C K mm inches mm mm m yards m m km miles km km Mm miles km Mm inch inch mm mm inches inches mm mm ft ft m m feet feet m m yd yd m m yard yard m m yards yards m m mile mile km km miles miles km km m^2 yd^2 m^2 m^2 km^2 miles^2 km^2 km^2 ft^2 ft^2 m^2 m^2 yd^2 yd^2 m^2 m^2 yard^2 sq. yards m^2 m^2 yards^2 sq. yards m^2 m^2 m^3 yd^3 m^3 m^3 yd^3 yd^3 m^3 m^3 ft^3 ft^3 m^3 m^3 µm/s inches/hour µm/s µm/s m/s mph km/hr m/s km/hr mph km/hr m/s mph mph km/hr m/s fps fps km/hr m/s m^3/s yd^3/s m^3/s m^3/s gpm gpm L/s L/s g oz g g oz oz g g kg lb kg kg lb lb kg kg lbs lbs kg kg pounds pounds kg kg g/cc lb/ft^3 g/cm^3 kg/m^3 g/cm^3 lb/ft^3 g/cm^3 kg/m^3 g/m^3 lb/yd^3 g/m^3 kg/m^3 kg/m^3 lb/yd^3 g/cm^3 kg/m^3