code: public static BigDecimal pow(BigDecimal x, BigDecimal y) {
          return BigDecimalMath.pow(x, y, defaultMathContext);
      }
docs: Calculates {@link BigDecimal} x to the power of {@link BigDecimal} y (x<sup>y</sup>) using the default {@link MathContext}.
  
  @param x the {@link BigDecimal} value to take to the power
  @param y the {@link BigDecimal} value to serve as exponent
  @return the calculated x to the power of y with the precision specified in the default {@link MathContext}
  @see #setDefaultMathContext(MathContext)
  @see BigDecimalMath#pow(BigDecimal, BigDecimal, MathContext)