Iteration 

More like irritation

THANK YOUU I went to like 10 other videos before this that made me even more confused but yours i understood in the first 5 minutes

THANK THE LORD THIS CHANNEL EXISTS

this helped a lot thanks!!

Madddd. When i was doing a practice paper it looked bare complicated, but you explained it really well. Thank you.

You are a lifesaver! Thank you so much!

hi mate good video! looks like you dont upload anymore but hope your doing well

Ay you teach better than my maths teacher, MY GUY FR

Thankyou sooo much this has really helped please make more videos thanks again

Thanks this was so helpful

This video is so helpful thank you

How did you get a pc version of the calculator? been looking for one for ages.

thank you

who else just skipped through the whole video

Sahil Josan if you are watching this video just remember so did I!!!

Anyone else still confused

Thank you so much , appreciate it as I found this sub-topic really difficult thnx so much! Please if you want free channel art , don't hesitate to ask for on.