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  1. Percent Error Calculator

    Aug 1, 2025 · Calculate percent error given estimated or experimental values and theoretical actual values. Calculator shows work and calculates absolute error and relative error.

  2. Error function - Wikipedia

    Error function In mathematics, the error function (also called the Gauss error function), often denoted by erf, is a function defined as: [1] ... The integral here is a complex contour integral …

  3. Percentage Error - Math is Fun

    Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

  4. Percent Error: Definition, Formula & Examples - Statistics by Jim

    Percent error compares an estimate to a correct value and expresses the difference between them as a percentage. This statistic allows analysts to understand the size of the error relative …

  5. Percent Error - Math Steps, Examples & Questions

    What is percent error? Percent error is a type of percent problem that describes the difference between an estimated, observed, or experimental value, and an actual, accepted, or real value …

  6. How to Calculate Percentage Error: Formula & Steps

    Nov 19, 2024 · The percentage error is, formally, the magnitude of the difference between an exact and an approximate value divided by the magnitude of the exact value per 100 cases …

  7. How to Calculate Percent Error (Beginner’s Guide with Real-Life ...

    Struggling with percent error? This beginner's guide explains how to calculate percent error step-by-step, with real-world examples and common mistakes to avoid.

  8. Percent error - Math.net

    Percent error (% error), also referred to as percentage error, is a measure of how much a value differs from expected value. It can be to used to determine how far off just about any expected …

  9. Percent Error Formula for Students — Mashup Math

    This page shares the percent error formula for students, an example of how to use the percent error formula, and a free percent error calculator that you can use to make calculations and …

  10. How to Calculate Percent Error - ThoughtCo

    May 5, 2024 · Percent error is equal to the difference between an experimental and theoretical value, divided by the theoretical value, and then multiplied by 100 to give a percent.