prime counting function | Desmos

Expression 2: "g" left parenthesis, "x" , right parenthesis equals Start product from "n" equals 2 to StartRoot, "x" , EndRoot , end product, mod left parenthesis, "x" , "n" , right parenthesis

2

Expression 3: "s" left parenthesis, "x" , right parenthesis equals left brace, "x" less than 1 : 0 , 1 , right brace

3

Expression 4: "p" left parenthesis, "x" , right parenthesis equals "s" left parenthesis, "g" left parenthesis, "x" , right parenthesis , right parenthesis

4

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