Maths week 1
Prime numbers A prime number is a whole number that can only be divided by itself and 1. Prime numbers become harder to calculate with the more digits they have. Eulers number e Euler's number, is an important mathematical constant approximately equal to 2.71828 This is the limit of (1+1/n)n as n approaches infinity, an expression that arises in the study of compound interest. Square numbers A number multiplied by itself (e.g 4x4=16) A cubed number is a number multiplied by itself then itself again. (e.g 4x4x4 = 64) Square roots The opposite of square number. (e.g the square root of 16 is 4) All positive numbers have 2 square roots (a negative and a positive) structure A data type in programing Arrays A collection of the same data types. Arrays are used to store a collection of related information . Enumeration Number systems Ancient Ancient number systems include Roman Numerals, Ancient Egyptian, Indian numerals ect. Different number systems were used in ...