指数表記計算機

共有リンク

はじめに

Scientific Notation Calculator — Convert numbers to and from scientific notation. Enter Number to get an instant, accurate result.

計算式

Converts a decimal number to a × 10ᵇ by dividing out powers of 10 until the coefficient a has a single non-zero leading digit; b is the base-10 exponent (floor of log₁₀|n|).

ステップごとの説明

Enter the Number.
Click Calculate to see your result instantly.

実例

Example: With Number = 123000, the Scientific Notation Calculator gives Coefficient: 1.23, Exponent: 5, Notation: 1.23 x 10^5.

よくある質問

What is the coefficient range in scientific notation?

The coefficient is always between 1 and 10 (or −10 and −1 for negative numbers).

What if I enter 0?

Zero is returned as a coefficient of 0 with an exponent of 0.

What inputs does the Scientific Notation Calculator need?

You'll need to provide: Number. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Scientific Notation Calculator?

The Scientific Notation Calculator applies the formula exactly as calculated — Converts a decimal number to a × 10ᵇ by dividing out powers of 10 until the coefficient a has a single non-zero leading digit; b is the base-10 exponent (floor of log₁₀|n|). — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Scientific Notation Calculator free to use?

Yes, the Scientific Notation Calculator is completely free, requires no signup, and runs instantly in your browser.