Fit Results (Custom Function)

$\displaystyle A*atan(B*x+C)+D$
PARAMETER         NOTE                                 VALUE             ERROR            
A                 --                                  1.0811098382e+10  5.6450395176e+12  
B                 --                                  4.5417859663e+09  3.9682989274e+12  
C                 --                                  2.1681859947e+09  0                 
D                 --                                  -1.6982033441e+10 8.8672073389e+12  

Reduced Chi-Squared = 1282.13





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