\p 19
\e
intnum(x=0,Pi,sin(x),1)
sqr(2*intnum(x=0,4,exp(-x^2),1))
4*intnum(x=1,10^20,1/(1+x^2),2)
intnum(x=-0.5,0.5,1/sqrt(1-x^2))
2*intnum(x=0,100,sin(x)/x,3)
\p 38
prod(k=1,10,1+1/k!)
prod(k=1,10,1+1./k!)
Pi^2/6*prodeuler(p=2,10000,1-p^-2)
prodinf(n=0,(1+2^-n)/(1+2^(-n+1)))
prodinf(n=0,-2^-n/(1+2^(-n+1)),1)
solve(x=1,4,sin(x))
sum(k=1,10,2^-k)
sum(k=1,10,2.^-k)
4*sumalt(n=0,(-1)^n/(2*n+1))
4*sumalt(n=0,(-1)^n/(2*n+1),1)
sumdiv(8!,x,x)
suminf(n=1,2.^-n)
6/Pi^2*sumpos(n=1,n^-2)
getheap
print("Total time spent: ",gettime);
\q