What does the 'e' mean on a calculator?

The letter 'e' stands for exponent (base 10). For example, 3.5e6 equals 3.5 × 10⁶ = 3,500,000.

Scientific Notation Calculator - Standard to Scientific & Engineering

Convert standard decimal numbers to scientific notation (a × 10^b), E-notation, and engineering notation with instant precision calculation.

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Scientific Notation

1.496 × 10⁸

E-Notation: 1.496e+8

Scientific Form	1.496 × 10⁸
Engineering Form (Multiple of 10³)	149.6 × 10⁶
Standard Word Form	149.6 Million
Significand (Mantissa)	1.496
Exponent (Order of Magnitude)	10⁸

Scientific Notation: Format a × 10^b where 1 ≤ |a| < 10 and b is an integer.
Engineering Notation: Similar to scientific notation, but the exponent b is always restricted to a multiple of 3 (matching SI prefixes: kilo 10³, mega 10⁶, giga 10⁹, micro 10⁻⁶, nano 10⁻⁹).

The letter 'e' stands for exponent (base 10). For example, 3.5e6 equals 3.5 × 10⁶ = 3,500,000.