5 DIM A(10,10),X(10)
10 PRINT "INPUT 1 (SCALAR MULT.) OR 2 (ADD) OR 3 (SUBTRACT)"
15 INPUT Z:IF Z>1 THEN 20:PRINT "INPUT SCALAR":INPUT R
20 PRINT "INPUT N,M":INPUT N,M 
40 PRINT "INPUT MATRIX A" 
50 FOR I=1 TO N 
60 INPUT A(I,1),A(I,2),A(I,3),A(I,4),A(I,5),A(I,6),A(I,7),A(I,8),             A(I,9),A(I,10)
80 NEXT I 
90 IF Z=1 THEN 170: R=1 
100 PRINT "INPUT MATRIX B"  
110 FOR I=1 TO N
115 INPUT X(1),X(2),X(3),X(4),X(5),X(6),X(7),X(8),X(9),X(10)
120 FOR K=1 TO M
130 IF Z=2 THEN 140: X(K)=-X(K)
140 A(I,K)=A(I,K)+X(K) 
150 NEXT K  
160 NEXT I
170 FOR I=1 TO N:PRINT :FOR J=1 TO M 
180 PRINT R*A(I,J),:NEXT J:PRINT :NEXT I  
190 END 

