Terms for subject Mathematics containing C & IS

English	Russian
segments of lengths a, b, c, and d are said to be proportional if a is to b as c is to d	пропорциональные отрезки
the constant c is asymptotically best possible as n tends to infinity	когда n стремится к бесконечности
the constant c is asymptotically best possible as n tends to infinity	асимптотически наилучший
... where c is a constant depending upon the initial separation x 0	начальная разность