how to fit two variables in a program to a curve which hand is played the most by keyboard notes what is the function for a sigmoid function what variables do equations require what is the difference between an equation and an equation? how to fit variables in excel how do you fit the volume of a note how to find the shape of the sigmoid curve how many variables are in an equation which hand is playing each note the most how to fit variables how to fit variables to equations which hand plays highest note on keyboard why do you use variables to fit an equation? what variables are in an equation how to find two different variables in an equation how to fit a sigmoid function into data how do i fit a curve how do you get the data of an equation how to fit the variables to an equation