I need to help me to complete the task:
Please see the attached picture
the doctor draw what he want in the picture
he wants like calculator
This is an important question
He wants me to enter two numbers and the output
He wants three math operations
Without a switch
And use php language
this example in youtube:
https://youtu.be/QXvJleH1Hqo
https://youtu.be/AexbvX_2sOA
if you need more explanation to ask my dr
please feed me back ..