Math & Algebra Tool
Long Addition Calculator
Visualize the column addition method with carry digits.
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How to read this
- The blue numbers at the top are the "Carries".
- Always start adding from the rightmost column.
- If a column sum is 10 or more, write the ones digit below and carry the tens digit left.
Σ The Formula
Sum = A + B
Real World Examples
Standard Addition
456 + 789 = 1,245. Shows the carry of 1 to the tens and hundreds place.
Large Numbers
10,999 + 1 = 11,000. Shows multiple ripple carries.
# About This Calculator
Long Addition is the standard algorithm taught in schools for adding multi-digit numbers. It involves lining up numbers vertically by their place value (ones, tens, hundreds, etc.).
When the sum of a column is 10 or greater, the 'tens' portion is carried over to the next column on the left.
Frequently Asked Questions
Is Long Addition Calculator free to use?+
Yes, Long Addition Calculator on Matheric is completely free to use. We believe in accessible education and utility for everyone.
How accurate is Long Addition Calculator?+
We use standard mathematical formulas and high-precision computing algorithms to ensure results for Long Addition Calculator are accurate for academic and professional use.
Can I use Long Addition Calculator on my phone?+
Yes! Long Addition Calculator is fully responsive and optimized for all devices, including smartphones, tablets, and desktops.
Do you save my data?+
No. We prioritize your privacy. All calculations are performed in your browser or temporarily processed, and we do not store your personal input data.
How do I report a bug?+
If you notice any issues with Long Addition Calculator or have suggestions for improvement, please contact us via the link in the footer. We value your feedback!
Can I request a new feature?+
Absolutely. We are constantly expanding our toolset. Feel free to reach out with your requests, and we might build it next!
About
Long Addition is the standard algorithm taught in schools for adding multi-digit numbers. It involves lining up numbers vertically by their place value (ones, tens, hundreds, etc.).
When the sum of a column is 10 or greater, the 'tens' portion is carried over to the next column on the left.