These spreadsheets are provided as a useful approach for metrology calculations according to the SOP represented here. However, NIST OWM or any other organization involved in their development, collectively and individually, do not warrant this spreadsheets for any specific purpose, nor do they make any representations regarding their fitness for any use or purpose whatsoever. Each user agrees to decide if, when and how to use the spreadsheets, does so at his or her sole risk, and is responsible to suitable and applicable verification prior to use. When using the tools provided on the NIST OWM website, you agree that you are not entitled to rely on any information generated using these worksheets. You further agree to hold NIST OWM, and any of their partners in the creation of the tools, harmless for loss you might suffer arising out of any inaccuracies in numbers generated by the worksheets. Under no circumstances shall NIST OWM, or any of their partners that helped create the tools, be liable for any damages, including incidental, special or consequential damages, arising from the use of these spreadsheets or an inability to use them.