The phrase "to fix the formula" means to find and correct the problem or mistake in a specific set of instructions or rules that are used to solve a particular problem. Full definition
This way you can fix the formula real fast when the baby wakes up. (easybabylife.com)
CHICAGO (August 1, 2017)-- Fix the Formula Illinois members, including Advance Illinois, released the following statement upon the Governor's amendatory veto of Senate Bill 1. (advanceillinois.org)
First, take the money out of the picture by establishing fixed formulas for child support that ensure the children are well taken care of in both homes, regardless of the number of days they spend in each. (divorcemed.com)