By definition, pi is the ratio of the circumference of a circle to its diameter. Pi is always the same number, no matter which circle you use to compute it. For the sake of usefulness people often need to approximate pi.
Definition and Examples of Literary Terms. The term palindrome is derived from two Greek words âpalinâ means again and âdromosâ means way or direction. It is defined as a number, a word, a sentence, a symbol or even signs that can be read forward as well as backward or in reserve order with the same effects and meanings.
:) sorry but i am not agree with you. A palindrome is a word (or phrase) that is spelled the same forwards as backwards. (Check the glossary.) The original poster gave bob as an example. Spell bob backwards and you get bob. The example given in the glossary is madam. A well-known palindromic phrase is Madam, I'm Adam.