underflow - An error condition that results when a numeric value resulting from a computation is so small that the computer cannot use it to calculate with accuracy, or the number has more decimal places than will fit in the field.It can also mean an item has been called from an empty stack; дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр http://www.computeruser.com/resources/dictionary/definition.html;