A C++14-compatible physical units library with no dependencies and a single-file delivery option. Emphasis on safety, accessibility, performance, and developer experience.

The value of the U.S. dollar in terms of the SDR is the reciprocal of the sum of the dollar values, based on market exchange rates, of specified quantities of the SDR basket currencies. See SDR ...

The central wavelength (CW) and band width (BW: defined by FWHM) of filters listed below are mostly from the direct measurement as installed in MOIRCS. The measurement values show very good agreement ...