• How many digits are there in a multi-digit number? 

      García-Orza, Javier; Álvarez-Montesinos, Juan-Antonio; Montenegro, Ismael R.; Cuadra, Marina (2017-09-15)
      The processing of multi-digit numbers have been usually studied comparing numbers with the same number of digits. In these cases, deciding which number is bigger simply requires comparing the leftmost digit of each number. ...