The Classwiz calculator: comparing with Casio 991ES

Comments on C3 mock March 2016 (test paper: C3 “Silver 4”)

Click here for the paper and mark scheme.

C3 whole past papers and mark schemes

C3 past papers by topic

From slurry to sausage: workbook on domain and range for C3 maths

C3 re-sit paper, 9-10 February 2016, and mark scheme

C3 re-sit paper for 9-10 Feb 2016: question paper

C3 re-sit paper for 9-10 Feb 2016: mark scheme

Domain and range (with two songs)

A Domain and Range song

C3 test paper and mark scheme, December 2015

• C3 June 2015 question paper
• Mark scheme for that paper

Little exams coming up, October 2015

We have to do our first exam, to test progress, in the week ending 16 October 2015. It’ll be a 50-minute test (not 90 minutes).

Why sec and cosec are called sec and cosec

Sec θ is called sec θ because geometrically, in the diagram above, it is the “secant” line (“secant”, from a Latin word meaning cut, is a line from a point cutting through a circle).