Long Addition Calculator

A long addition calculator that is simple to use. Learn and perform vertical addition with this calculator. 

Instructions or things to keep in mind as you use the long addition calculator

Just enter the numbers in the box on top, separated by commas . Enter only positive numbers since you are adding numbers vertically.

For example, if you are adding 786 and 495, the answer is 1281. 

Here is how you get the answer:

• Add 6 and 5 to get 11. Put 1 in the ones place and carry 1 (shown in red in the calculator).
• Add 1, 8, and 9 to get 18. Put 8 in the tens place and carry 1 (shown in red in the calculator).
• Add 1, 7, and 4 to get 12. Write 2 in the hundreds place and 1 in the thousands place.

Keep trying different numbers in the calculator so you know how to add numbers together vertically.