Terms for subject Mathematics containing values of a function

English	Russian
extreme value of a function	экстремальное значение функции
many tables of values for special functions could be calculated at a time when pencil and paper were the only available орудия	единственно доступные инструменты
many tables of values for special functions could be calculated at a time when pencil and paper were the only available tools	единственно доступные инструменты
table of values of a function	таблица значений функции
the table of values of a function	таблица значений функции
we seek a good estimate of the least value of the function of one variable	искать