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Scientific Notation Converter

Convert numbers between decimal and scientific (E) notation.

Scientific notation

Scientific notation explained

Scientific notation writes a number as a coefficient between 1 and 10 times a power of ten — so 1234000 becomes 1.234e+6 and 0.00056 becomes 5.6e-4. It keeps very large and very small numbers readable and is the standard way calculators and programming languages display them. Conversion runs locally in your browser. (Extremely large magnitudes are subject to IEEE-754 double precision.)

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