code: public function setCalculatedValue($pValue)
      {
          if ($pValue !== null) {
              $this->calculatedValue = (is_numeric($pValue)) ? (float) $pValue : $pValue;
          }
  
          return $this->updateInCollection();
      }
docs: Set old calculated value (cached).
  
  @param mixed $pValue Value
  
  @return Cell