SLR02 – Programming next steps AQA A’Level SLR02 Exception handling AQA A’Level SLR02 Subroutines, interfaces & parameters AQA A’Level SLR02 Global and local variables AQA A’Level SLR02 Use of stack frames with subroutines AQA A’Level SLR02 Recursion Also in this topic... SLR01 – Programming basics SLR06 – Abstraction and automation SLR13 – Coding sound & music SLR16 – Logic gates & boolean algebra SLR27 – Aspects of software development