Edit File: gosub.bas
100 LET X = 3 110 GOSUB 400 120 PRINT U, V, W 200 LET X = 5 210 GOSUB 400 220 LET Z = U + 2*V + 3*W 230 PRINT Z 240 GOTO 999 400 LET U = X*X 410 LET V = X*X*X 420 LET W = X*X*X*X + X*X*X + X*X + X 430 RETURN 999 END