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MATHEMATICIAN LEONHARD EULER (1707 - 1783) WAS BORN IN BASEL, SWITZERLAND.EULER WROTE IN MATHEMATICAL LANGUAGE THAT LARGELY IN USE TODAY.AMONG SYMBOLS FIRST USED BY HIM ARE: F(X) FOR FUNCTION e FOR THE BASE OF THE NATURAL EXPONENTIAL AND LOGARITHM FUNCTIONS SO ON IF YOU KNOW ANY , LET ME KNOW I PUT IT HERE. IF YOU COME BACK AGAIN, I HOPE YOU WILL, I AM GOING TO PUTHIS PICTURE HERE.
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I AM USUALLY A COMPER. I GO DIFFERENT PARKS. I LIE DOWN ON THE SUN.SEE BIRDS AND LISTEN TO THE TREE SINGS. MY SECOND HOBBY IS TO GO THE LIBRARY READ THE BOOK.
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