Calculate (a+b)² or (a+b+c)² instantly with step-by-step solutions. Real-time computation for any set of numbers.
Results update instantly as you type
Results update as you type
Detailed calculation steps
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Calculate for 2, 3, or more numbers
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The square of sum is a fundamental algebraic formula that calculates the square of the sum of two or more numbers. For two numbers a and b, the formula is:
For three numbers a, b, and c, the formula expands to:
Type your numbers separated by commas in the input field. For example, to calculate (5 + 3)², enter "5, 3".
As you type, the calculator instantly computes and displays the result. No need to click any button.
Examine the detailed calculation steps to understand how the result was derived. This is perfect for learning or verification.
Save important calculations to history, copy results to clipboard, or export your calculation history for future reference.
The calculator handles negative values correctly. Try: -2, 5
Use decimal numbers for precise calculations: 3.5, 2.1
Calculate for more than two numbers: 4, 3, 2, 1
Press Enter to calculate, Escape to clear input