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  1. How can I create a function generator or polynomial in PLC5/80? By this I mean I need a eleven point curve that changes the output based on the input. I do this all the time with DCS logic, but I don't see a "Polynomial" of "Function" block in RSLogix5. A simple curve might look like this. input        output     x1=    0    ...y1=    0 x2=    10    ...y2=    31 x3=    20    ...y3=    58 x4=    30    ...y4=    89 x5=    40    ...y5=    118 x6=    50    ...y6=    147 x7=    60    ...y7=    178 x8=    70    ...y8=    216 x9=    80    ...y9=    238 x10=90    ...y10=   269 x11=100    ...y11= 300