https://binary2hex.com/allsystem.html?id=4884
subtract 1010(2) and 1001(2) = 1 Column
Enter two numbers and specify their base of the number system:
+
-
*
÷
.
-
1
0
1
0
1
0
0
1
0
0
0
1
the Final answer: 1010
2
- 1001
2
= 1
2