im looking to make a mathmatical form that caluclates information from what a user inputs. im sure i can use php to make mathmatical forms ie 1 + 1 = 2 etc or user input + input2 = answer but can someone give me some help with this ie get me started. The forum im going to create could be very complex depending on what i decided to do the project for.

 

but to start id like to know the basics and how thing like

 

100 - input(1) = answer(1)

 

input(2) / answer(1) = answer(2)

 

something like this.

 

Thanks

oh i found this on youtube

 

give me the basics