How do you add two big numbers (integers) together, without the use of a computer? For example, what is 1248564464447897955486856 + 23894892387

Question

saifoo.khan · Answer

1248564464447897955486856
+                               23894892387
=========================

anonymous · Answer

So the idea is to simply add up the numbers according to their place value, as in elementary school?

anonymous · Answer

Is there a faster way?

saifoo.khan · Answer

umm, nope!

saifoo.khan · Answer

Btw, yes we can add them up like in elementary school.

anonymous · Answer

good. now I'll need to know subtraction, multiplication, and division.

saifoo.khan · Answer

Lol.

anonymous · Answer

Yeah; I must implement a BigInt/BigNum class as a programming exercise.

anonymous · Answer

I'm really worried about the division part