How do you do exponentiation in Step 7 (Ladder)

For example - X^Y

In Tisoft - you would use **

Cant see this in Step 7 - am I missing something?

Thanks

Hi,
other possibility is a elementar mathematic:
X ^ Y = exp (Y * log X) (http://support.automation.siemens.com/WW/view/en/8795702)
or the link http://support.automation.siemens.com/WW/view/en/15014921