golden mean
Golden Mean, Golden Ratio
0.61803398874989484820458683436564
This number can be defined as
1/x = x+1
or calculated this way
(√5 - 1)/2
The ancient Greeks firured this number, used as a proportion, was the most beautiful and many ancient Greek buildings show that proportion in their shape
I like to calculate it by entering 4870847 into the calculator and pressing the square root sign 5 times (gives you 1.61803398874989 which is the inverse of the Golden mean or 1 plus the golden mean to 14 decimals of accuracy) or 2207 and press the square root 4 times (1.618034)
0.61803398874989484820458683436564
This number can be defined as
1/x = x+1
or calculated this way
(√5 - 1)/2
The ancient Greeks firured this number, used as a proportion, was the most beautiful and many ancient Greek buildings show that proportion in their shape
I like to calculate it by entering 4870847 into the calculator and pressing the square root sign 5 times (gives you 1.61803398874989 which is the inverse of the Golden mean or 1 plus the golden mean to 14 decimals of accuracy) or 2207 and press the square root 4 times (1.618034)