Calculus I & II The Revisionist > My Math Notes > Calculus I & II Over here, you will find all of my math notes on Calculus 1 & 2. 6.1 Velocity and Net Change Chain Rule 6.3 Volume by Slicing How to Find Volume of a solid with a (semi-) circular base and square cross sections How to find the volume of a solid with triangle base & (semi-) circular cross sections Calculus 2 Formula Sheet 6.4 Volume by Shells