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Названия функций для работы с переменными разных типов

chr(code) возвращает символ с кодом (code)
ord(x) для символьного типа возвращает значение кода символа в таблице ASCII
pred(X) получает предшествующее значение для аргумента порядкового типа
succ(x) получает последующее значение для аргумента порядкового типа.
char обозначение символьного типа
ascii кодовая таблица
round(x) округляет вещественный результат до ближайшего целого
trunc(x) выделяет целую часть вещественного аргумента
Created by: ninavm700