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Scientific Notation Calculator

Convert numbers to and from scientific notation. Also perform arithmetic on numbers in scientific notation.

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About This Tool

The Scientific Notation Calculator converts between standard decimal numbers and scientific notation (a × 10^n). It also lets you perform basic arithmetic on two numbers expressed in scientific notation.

Scientific notation is essential for working with very large or very small numbers in science, engineering, and computing. It makes numbers like 0.000000045 or 3,500,000,000 much easier to read and compare.

Enter a standard number to convert to scientific notation, or enter a coefficient and exponent to convert back. You can also add, subtract, multiply, or divide two scientific notation values.