the Tale of Doubling!
one grain of rice.

According to the chinese legend: the Emperor was so impressed with the chess invention, he would grant the inventor any wishes. "just one grain of rice, Emperor" said the inventor. "Just one grain?" "Well, one grain for the first square, doubling for the second, and double the second for the third, and so on, up to the 81(9x9) squares" the Emperor readily agreed with his simple, straightforward, easy understandable request; but not realizing his ingenious cleverness: a grain of rice raised to 81th power (1+2^80=1.2x10^24=1,2000,00000,00000,00000,00000). the summation of 81 squares is more than 2.4 trillion trillion grains of rice.

Math has its own Magic -- Power of Compounds!

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