At first he tried to solve analytically the problems he was presented with, which after all was the way he had learnt at university to solve problems, but he soon realised that he would have to use approximate numerical methods if he was to obtain useful results.
Sa unang siya tried sa malutas ang problema analytically siya ay ipinapahayag sa, na pagkatapos ng lahat ay ang paraan niya learnt at unibersidad upang malutas ang problema, ngunit siya sa lalong madaling panahon realised na siya ng nais na gamitin ang wastong mga pamamaraan sa numero kung siya ay para makakuha ng kapaki-pakinabang na mga resulta.