MIT offers a three-part calc series over EDX which seems good: https://www.edx.org/course/calculus-1a-differentiation-mitx-18-01-1x https://www.edx.org/course/c

MIT offers a three-part calc series over EDX which seems good: https://www.edx.org/course/calculus-1a-differentiation-mitx-18-01-1x https://www.edx.org/course/calculus-1a-differentiation-mitx-... Paul's notes (http://tutorial.math.lamar.edu/ http://tutorial.math.lamar.edu/) is apparently a really good reference too.