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  • (cur | prev) 10:11, 5 September 2008โ€Ž Zhang79 (Talk)โ€Ž . . (597 bytes) (+597)โ€Ž . . (New page: =Periodic Function= Periodic functions are functions that return the same to the same <math>y</math> value after a given interval <math>T</math> and keeps repeating itself for every increm...)

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