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A Brief History of Pi

Pi is a name given to the ratio of the circumference of a circle to the diameter. That means, for any circle, you can divide the circumference (the distance around the circle) by the diameter and always get exactly the same number. It doesn't matter how big or small the circle is, Pi remains the same. Pi is often written using the symbol and is pronounced "pie", just like the dessert.

 

Added: Sun Feb 13 2005
Views: 135

Addition Table

+ 0 0 0

 

Added: Sun Feb 13 2005
Views: 101

Complex Definitions of Functions and Operations

i = (-1) i 2 = -1 1 / i = -i i 4k = 1; i (4k+1) = i; i (4k+2) = -1; i (4k+3) = -i (k = integer) ( i ) = (1/2)+ (1/2) i

 

Added: Sun Feb 13 2005
Views: 138

Exponential Expansions

e = 2.7182818284 5904523536 0287471352 6624977572 4709369995 9574966967 6277240766 3035354759 4571382178 5251664274 ...

 

Added: Sun Feb 13 2005
Views: 136

Fraction to Decimal Conversion Tables

Important Note: any span of numbers that is underlined signifies that those numbers are repeated. For example, 0.09 signifies 0.090909....

 

Added: Sun Feb 13 2005
Views: 116

Gamma Constant & Function

gamma = = 0.5772156649 0153286061 ... = lim (n->) ( 1 + 1/2 + 1/3 + 1/4 + ... + 1/n - ln(n) ) = 0.5772156649...

 

Added: Sun Feb 13 2005
Views: 128

Hierarchy of Decimal Numbers

Some people use a comma to mark every 3 digits. It just keeps track of the digits and makes the numbers easier to read.

 

Added: Sun Feb 13 2005
Views: 90

Metric Prefix Table

Number Prefix Symbol 10 1 deka- da

 

Added: Sun Feb 13 2005
Views: 93

Multiplication Table

x 0 1 2 0

 

Added: Sun Feb 13 2005
Views: 71

The Compound Interest Equation

P = C (1 + r/n) nt where P =

 

Added: Sun Feb 13 2005
Views: 95

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