you did for me the ultrasonic job at below link https://www.studypool.com/discuss/5970553/ultrsonic-questions i will pay $9 but i am expecting two things (1) please give me mathematical explanation and flow chart of both the solutions (2) please answer this one at the earlier posting only, the code you gave never worked on my side ,

How did you compile and execute? that information also must be included.

Process.h giving problem.when I compile c program using gcc on Ubuntu os .

On which machine did you execute the program?