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Rechner für bestimmte Integrale

Approximieren Sie ein bestimmtes Integral numerisch mit der Simpson-Regel.

Einführung

Definite Integral Calculator — Numerically approximate a definite integral via Simpson's rule. Enter Coefficient a, Exponent n, Lower bound, Upper bound, Steps to get an instant, accurate result.

Formel

Numerically approximated using Simpson's rule: the interval [lower, upper] is split into an even number of subintervals and the area under a×xⁿ is estimated with a weighted sum, rather than solved symbolically.

Schritt für Schritt

  1. Enter the Coefficient a.
  2. Enter the Exponent n.
  3. Enter the Lower bound.
  4. Enter the Upper bound.
  5. Enter the Steps.
  6. Click Calculate to see your result instantly.

Praxisbeispiel

Example: With Coefficient a = 1, Exponent n = 2, Lower bound = 0, Upper bound = 3, Steps = 100, the Definite Integral Calculator gives Result: 9.

Häufig Gestellte Fragen

Is this an exact result?
It's a very close numeric approximation via Simpson's rule, not a symbolic exact-form calculation.
How many subintervals are used?
100 by default (rounded up to an even number if needed), which gives high accuracy for smooth power functions.
What inputs does the Definite Integral Calculator need?
You'll need to provide: Coefficient a, Exponent n, Lower bound, Upper bound, Steps. 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 Definite Integral Calculator?
The Definite Integral Calculator applies the formula exactly as calculated — Numerically approximated using Simpson's rule: the interval [lower, upper] is split into an even number of subintervals and the area under a×xⁿ is estimated with a weighted sum, rather than solved symbolically. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Definite Integral Calculator free to use?
Yes, the Definite Integral Calculator is completely free, requires no signup, and runs instantly in your browser.

Über Rechner für bestimmte Integrale

The Definite Integral Calculator uses a real, verifiable formula — Numerically approximated using Simpson's rule: the interval [lower, upper] is split into an even number of subintervals and the area under a×xⁿ is estimated with a weighted sum, rather than solved symbolically. — so results are accurate every time, not an approximation.