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Basic Calculator
Free browser-based tool. Use the controls below to get started.
QUICK GUIDE
Solve a basic arithmetic expression
Enter numbers and choose an operation such as addition, subtraction, multiplication, or division. Example: 18 × 7 should produce 126. Check the displayed expression before using the result.
Choose an operation and enter the next number
Check the selected settings and input values before continuing.
Calculate, then verify the result
Review the output before copying, saving, or sharing it.
Processing behavior depends on the tool and browser. Do not use confidential or sensitive content unless you have confirmed how that specific tool handles it.