add Up 447(8) and 373(8) = 1042 Column

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:
...
+447
373
1042
the Final answer: 4478 + 3738 = 10428
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