`........Use an abacus?`

[LongTermGuy]

`This is an excerpt from the chapter "Lucky Numbers", in

.....Surely, You're Joking, Mr. Feynman!, Edward Hutchings ed., W. W. Norton, ISBN: 0-393-31604-1.
The story is taking place in Brazil; the narrator is Richard Feynman.`

http://www.ee.ryerson.ca/~elf/abacus/feynman.html

[tailfins]

"Raios cubicos" is incorrect. Raios means rays, as in rays of sunlight. The correct term in Portuguese is "raizes cubicas".

[LongTermGuy]

"Raios cubicos" is incorrect. Raios means rays, as in rays of sunlight. The correct term in Portuguese is "raizes cubicas".

`Thanks tailfins!