The constants in this table are those that are hardwired both into the structure of mathematics and apparently into the structure of the universe itself.
| Symbol | Value | Definition |
| Pi | 3.14159265359... | The ratio of a circle's circumference to its radius. |
| e | 2.718281828459... | The base of natural logarithms. |
sqr(2) = 1.4142135623731...
sqr(2) /2 = 1 / sqr(2) = 0.707106781187...
Lexcentrics Ltd specialises in the supply of word games and puzzles - in paper or online - for business use. For more details, see our Business-To-Business site. Copyright (C) 2000-2006 Lexcentrics Ltd