устар.
арифметика, математика.
Дьячок Пафнутий до своего дошел: грамота всем далась, цифирному делу даже маленько навыкли. Мельников-Печерский, Старые годы.
"It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow." Robert H. Goddard
"Experience is simply the name we give our mistakes." Oscar Wilde
"A penny saved is a penny earned." Benjamin Franklin
"The mystery of government is not how Washington works but how to make it stop." P. J. O'Rourke
