Bar and bat mitzvah mean, literally, son and daughter of the commandment.. Bat mitzvah is Hebrew, while bar mitzvah, historically a much earlier ceremony, is Aramaic. The word bar is the Aramaic equivalent of the Hebrew ben (son of) .
In math, the mean is the average of a set of numbers. To determine the mean, add all numbers in a set and take this answer and divide it by how many numbers are in the set. Continue Reading.
Math Symbols Mathematics is an exact science where there is no margin for error no matter how minute. Mathematics is generally an abstract study of space, quantity, change and structure. It is the science that resolves âwhat is trueâ or âwhat is falseâ, with the use of formulations and patterns.