Fortran Expert needed for Simple Programing

Dear Hiring Manager, I am physicist and very experienced Fortran programmer. Numerical methods, including solution of differential equations, belong to my staff as well. Would be glad, to help You with Your project. Thanks Bogdan Yavorskyy.

Dear employer, Hi I can develop the Runge-Kutta 4th order method in Fortran in the shortest time. I am completely familiar with this method and this language. I am an expert in this field. You can read the reviews of other employers on my profile. I can help you with your project. Would you please send me the details of the work so that we can talk about it more accurately? I am a computer programmer with more than 10 years of working experience using Python, R, C#, VB.Net, C++, MATLAB, FORTRAN, etc. I can develop your required code with the highest quality and the lowest price. Believe me one time and you will start hiring me as a long term employee. Regards, Abbas

I'm Fan. I'm from Beijing. I used to program using Fortran. I also know Runge Kutta Method rank 4. May I try your problem?

I studied Runge-Kutta Methods at University. I can solve this problem quickly and efficiently. A detailed description will be by provided.