Currently SERP is undergoing testing. Testing is currently working on the Preserved assumption. Thus far, for expected inputs, the ratio converter has passed, the density calculator has passed in calcuation, it still needs to pass for input density manual, and the weight to atomic converter has passed for uranium. Currently, the total atomic ratio calcuation seems to be failing. It first appeared to be a sig digs issue, after increasing from 6 to 10, the issue was unresolved and is being looked into