I am not very good at math. Please assume I am younger than 9 or older = than 40. I want my mpu to be able to create values for a linear regression = equation from 4 values that are entered, example: When A =3D 6, B =3D 2.1 When A =3D 30, B =3D 0 How do I come up with the equation to corrolate B from A (besides using = analysis software). Hopefully I can program my mpu to determine the = equation needed as I change the values. Thank you John -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu