specifically better at math when the number of digits is divisible by 3?
Ironically, this is the opposite of the well-known calculating prodigy Shakuntala Devi, who said that inserting commas (e.g. “5,271,009”) interfered with her perception of the number.
Ironically, this is the opposite of the well-known calculating prodigy Shakuntala Devi, who said that inserting commas (e.g. “5,271,009”) interfered with her perception of the number.