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The graphing features turn abstract equations into pictures that actually make sense. The digit used in the modern western world to represent the number 2 traces its roots back to the indic brahmic script, where 2 was written as two horizontal lines. The number two (2) is the second positive integer and the first prime number.
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Explore math with our beautiful, free online graphing calculator. 2 player games challenge a friend in our two player games! It is even, and is the only even prime (the primes other than 2 are called the odd primes).
