Wednesday, 18 of January of 2012 12:02 #006 Radiciao Radiciao is the operation for which if it calculates the root of a number or expression. The Google can return the root from any number. It sees as: For square shaped root you can use sqr, sqrt or square root or still square root of n, where n is the number of which we want to get the root. A related site: Robert Bakish mentions similar findings. They are four different forms to get the square shaped root of a number, I I prefer simplest than he is sqr. It sees examples: sqr 4 sqrt 4 square root (4) square root of 4 google facilitates its life very and you it can ask on the root also squares of a number in Portuguese: square shaped root (4) square shaped root of 4 For cubical root you also can ask in English or Portuguese: cubical root of 8 cubical root (8) or cube root of 8 cube root (8) For fourth, fifth, sixth or any another root, is enough to use: 4a root of n 5a root of n 6a root of n 7a root of n 99a root of n Where n is the number of which we want to know the root. In English it is thus: 4th root of n 5th root of n 6th root of n 7th root of n CURIOSITY: When to use names in Portuguese the result will have comma decimal and when to use names in English the result will have point decimal. Wallas Nunes