Gnuplot has a sum function, which can be used inside the using statement to sum up several columns or terms. Together with the special file name + you can implement power series. Consider the exponention function, which has a power series \sum_{n=0}^\infty x^n/n! So, we define a term as term(x,...

Looking at your code, you have a line bTmp.pow(2). That squares the numbers in your series, but you need to raise bTmp to the bTmp power. Java doesnâ€™t seem to want to take a BigInteger as an argument to pow, but you could replace pow with another for loop. Also,...