Hello, there is a whatsgroup which is filled of students helping each other on mathematics and the science based subjects, it consists AS & A2 that help each other. Everyone in this group is a student of the student room and it has been running since March this year. If you are interested reply to this message
Sorry you've not had any responses about this. Are you sure you've posted in the right place? Here's a link to our subject forum which should help get you more responses if you post there.
Just quoting in Fox Corner so she can move the thread if needed