Its calculator program which allows you send you for the server the numbers and next you will recevie the correct value.
The program was made in 2018 on the subject Web Technology. The client choose operation and the values of numbers,when the server receivedcorrectly data it will sent back the value of operation for the user. Its TCP connection by using WinSock.
You need to copy the boths codes,set the best for you port and compile program one of the programs for C++ for example Visual Studio.