This form allows you to solve the differential equations of the
of the spread of a disease.
This version of the equations incorporates births and deaths.
|S'(t)||=||β(S+I+R) - α S I - μ S|
|I'(t)||=||α S I - γ I - μ I|
|R'(t)||=||γ I - μ R|
Enter the following data, then click on Show Solution.