Adagio means 'at ease' in Italian, and denotes a slow pace, around and under 60 beats per minute. It is the second slowest of the most common tempo markings, after largo.
In algebra it is a transcendental number, fundamental to mathematics, that is the limit of (1 + 1 / n)n as n increases to infinity: used as the base of natural logarithms. Approximate value:...