Addition, multiplication and division of numbers in different number systems

Calculator of numbers in various number systems.

Adding, subtracting, multiplying, and dividing numbers in a column. Moreover, numbers can be entered in different number systems.

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Enter two numbers and specify their base of the number system:
x001011
111000
+000000
000000
000000
001011
001011
001011
01001101000
answer: 0010112 * 1110002 = 010011010002
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