# Philip Walker

University of Leeds, School of Mathematics: Senior Teaching Fellow, E-learning Officer

## Philip's activity

#### Philip Walker on Q8a - Sketching Quadratics 1 year, 2 months ago

Hey, I like this!

#### Philip Walker on Q8a - Sketching Quadratics 1 year, 2 months ago

Gave some feedback: Ready to use

#### Philip Walker on Mystery derivatives 2 years, 7 months ago

First "worksheet" should read "question", of course.

#### Philip Walker on Mystery derivatives 2 years, 7 months ago

Thanks for the update. I've changed the worksheet to reflect the new worksheet, and will use NDerivative wherever I need a derivative and a numeric one is suitable.

#### Philip Walker on Mystery derivatives 2 years, 7 months ago

Gave some feedback: Ready to use

#### Philip Walker on Mystery derivatives 2 years, 8 months ago

Gave some feedback: Doesn't work

#### Philip Walker published Find the value from the derivatives 3 years ago

#### Philip Walker on Find the value from the derivatives 3 years ago

Gave some feedback: Ready to use

#### Philip Walker created Find the value from the derivatives 3 years ago

#### Philip Walker on Oracle function root estimation 3 years ago

Gave some feedback: Ready to use