2015 (source code)

= 2015
{scope}
{title2=A13374W1}

Source: https://www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/3/Physics%20Papers%202014.pdf?cookie_passthrough=1#page=96[released examination PDF, bundle pages 96–99].

Solutions to all three questions and every optional part. The barrier formulas apply only while the contract is alive. In the above-strike barrier case, the terminal strike must be capped at the barrier before using reflection.