Como Usar Funções com a exp4j

import static java.lang.System.out;

import de.congrace.exp4j.Calculable;
import de.congrace.exp4j.ExpressionBuilder;

public final class Exp4jSample {

  public static void main(final String[] args) throws Exception {
    final Calculable calc = new ExpressionBuilder("cbrt(27)").build(); // raiz cúbica
    
    out.println(calc.calculate()); // imprime "3.0"
  }

}

http://projects.congrace.de/exp4j/

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