Functions and Graphs by Beatriz Jaramillo
Numerical Computation by Carol-Ann James
Numerical Integration by Emre Yucel
Numerical Integration by Eric Soltan
Polar Coordinates by Harminder Singh
Equal Areas by Jelitza Balcazar
Parametric Equations and Polar Coordinates by Jorge E. Lozada
Volume of Revolution by Michal Skalski
Parametric Equations by Mohammad S. Hurmatali