I am fascinated on Fibonacci Number. It is really amazing, and it is used in many areas like Mathematics (of course, it is a number sequence), life sciences, botany, and non-technical areas like Art and Photography.
Since I learned it in a Math Class, I would like to start explaining it technically. Fibonacci sequence is a recursive function that adds the previous 2 numbers in the sequence, with the exception of the first 2 which are 0 and 1. It formed recursively implies that you may need to count from the beginning if you were to find out the 20 sequence of the series. But interestingly, a direct formula in Math allows you to calculate the number immediately with just one step. And more interestingly, the formula consists of calculation of 2 root of 5! Most of us would have learnt from middle school that the root of 5 is some very strange number resulting in tons of decimal places 2.236067977..... But the formula actually ends up in an Integer Number!
In botany, most flowers have petals of a fibonacci sequence. Very rare flowers have petals that are not in the fibonacci sequence. The 4-leaf clover is considered a lucky symbol as 4 is not a fibonacci number.
Since I learned it in a Math Class, I would like to start explaining it technically. Fibonacci sequence is a recursive function that adds the previous 2 numbers in the sequence, with the exception of the first 2 which are 0 and 1. It formed recursively implies that you may need to count from the beginning if you were to find out the 20 sequence of the series. But interestingly, a direct formula in Math allows you to calculate the number immediately with just one step. And more interestingly, the formula consists of calculation of 2 root of 5! Most of us would have learnt from middle school that the root of 5 is some very strange number resulting in tons of decimal places 2.236067977..... But the formula actually ends up in an Integer Number!
In botany, most flowers have petals of a fibonacci sequence. Very rare flowers have petals that are not in the fibonacci sequence. The 4-leaf clover is considered a lucky symbol as 4 is not a fibonacci number.
Rule of thirds is a common tool used in photography and art. A picture captured in the rule of third shows to the viewer a different perspective of the image. A picture of the merlion I took sometime ago shows the rule of third.

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