// y-cruncher Custom Formula File // // This can be loaded directly from the Custom Compute menu or // entered from the command line as "custom:filename.cfg". // y-cruncher custom custom:"filename.cfg" // // // Author: Alexander J. Yee // Date: September 29, 2018 // // Value = 3.14159265358979323846264338327950288419716939937510... // // Formula: Abraham Sharp (1717) // // Which corresponds to ArcTan(1/sqrt(3)) // { NameShort : "Pi" NameLong : "Pi" AlgorithmShort : "Sharp" AlgorithmLong : "Abraham Sharp (1717)" Formula : { Multiply : [ { SeriesHypergeometric : { CoefficientP : 6 CoefficientQ : 6 CoefficientD : 1 PolynomialP : [1] PolynomialQ : [-3 -6] PolynomialR : [1 2] } } {Invsqrt : 3} ] } }