exact equation, integration exact formula, iteration iterative variables, boundary condition, independent variables statistics, exact solution definition, advanced math equation solver, higher mathematics, ordinary differential equations solutions, functional profile analysis, calculus mathematics formula, self behavior equation formula

Attention this is not a repeated talk, almost every engineer or scientist needs to make a hard integration one day, exact equation integration or integration exact formula, sometimes the exact equation solution out which the exact equation solver, is not easy sometimes to figure out also it and the natural opposite the exact solution of differential equation out which the exact equation differential solver in calculus both obvious which to make the profile and the behavior of functions in functional profile analysis play the important place in math rather advanced or higher mathematics or not.