Significant Figures Calculator

1. Count Mode: Enter a number to see how many sig figs it has.
2. Math Mode: Enter an expression (e.g., 2.5 * 3.42) to get the result rounded to the correct precision.

The Significant Figures Calculator (Sig Figs) helps students and scientists handle precision correctly.

It determines how many significant digits a number has and can perform arithmetic (Add/Sub/Mult/Div) while maintaining the correct rules of precision.