here is the bigger picture for my question

[jjones-6]

[Fred_Kohlhepp · Accepted solution]

see attached

[jjones-6]

Fred Kohlhepp

You did a real good job on this one it is supper easy to follow and understand. Thanks a lot. Ireal appreciate your help. is there a way you can convert that file to mathcad 15. so that I can also read it with my new mathcad 15 at my school's computer. thanks a lot man.

[Fred_Kohlhepp]

conversion from 15 to Prime is possible

conversion from Prime to 15 is "typing".  Enjoy.