JC1C: Revision on parametric equations, inequalities and APGP (number pattern) by Gary Ang | Sep 25, 2015 | 16JC2C, Board-casts | 0 comments[vimeography id="296"] In this lesson, we revised parametric equations, inequalities and APGP (number pattern type).Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ