HyperCard stack. Keely worked with some very long whole numbers. This stack can handle numbers with as many as 87 digits. It will add, subtract, divide, multiply, mod and Square Root numbers of the same length! Will not round off decimals. Reduces results to Least Common Denomiators. Very fast. Very useful for doing vibration physics calculations where accuracy is important. Custom developed for SVP. Requires HyperCard 2.*