I've been busy with school recently, so here's something I haven't uploaded. ----- Hyperoperation calculator. http://en.wikipedia.org/wiki/Hyperoperation Uses a stack based approach very similar to my Ackermann function project: http://scratch.mit.edu/projects/Molybdenum/2617436 Input N, A, and B (all >=0) to calculate H(n)(A,B). Result is in B when the calculation is finished. If N=0, returns B+1. If N=1, returns A+B. If N=2, returns A*B. If N=3, returns A^B. I don't want to do the rest. They are WAY too big. This is the first hyperoperation on Scratch!