The "1-4-1" rule

[@spdas5942]

Best approach ever seen ! Nice job.

[@sultan7423]

There are tons of Calculus Videos on RUclips but you my good sir stand out. Professional presentations, flowing commentary and great visualization of each concept. I am speechless. Thank a million.

[@anzatzi]

No Comments? This is amazing! Great job, very clarifiying.

[@Xx_Eric_was_Here_xX]

really beautiful maths. thank you for the explanation

[@waqasmuneer7951]

Amazing stuff

[@Junker_1]

Beautiful. Great work.

[@cardflopper3307]

Hello Chris, love your presentation style. Which software do you use for the graphs and animations??

[@Hunar1997]

Why we call it approximation, i see normal proofs why it's not the exact area

[@anilsharma-ev2my]

12ka 4
42ka 1
My name is lakhan
Ram lakhan
Bolo ram lakhan