This is based on chickchaser's mathman. When asked operation, type one of six thing. Sqrt - he will ask you number, and answer the number you want square rooted. Squared - he will ask you number, and answer the number you want squared. Addition - he will ask you number one, and answer the first number (in 1+2, it would be 1). Then after he asks you number two, answer the second number. Subtraction, Multiplication, Division - Just do the same thing as in addition.