code: public boolean getBooleanResult(final CharSequence equation) {
          final Element result = new ValueElement(getResult(equation), null, null);
          if (result.isBoolean()) {
              return result.getBoolean();
          } else if (result.isInt()) {
              return result.getInt() > 0;
          } else if (result.isFloat()) {
              return result.getFloat() > 0f;
          }
          return !isNullOrFalse(result.getString());
      }
docs: Utility method that calls {@link #getResult(CharSequence)} and converts returned value to a boolean.
  
  @param equation will be evaluated.
  @return true if: returned value is boolean true, a positive number or non-null string.