UDF to perform calculations with big numbers
_BigNum_Parse
_BigNum_Add
_BigNum_Sub
_BigNum_Mul
_BigNum_Div
_BigNum_Pow
_BigNum_SQRT
_BigNum_n_Root
_BigNum_Mod
_BigNum_Round
_BigNum_Compare
EDIT: updated
BigNum.au3
BigNum_example.au3
#include "BigNum.au3"
$X = "10000000000000000000"
$Y = "0.000000000000000001"
MsgBox(0, "Addition", $X & " + " & $Y & " = " & _BigNum_Add($X, $Y))
$X = "-10000000000000000000"
$Y = "10000000000000000000"
MsgBox(0, "Subtractio
