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A-Level Maths - Decision

Some say it's not even Maths.  Some say it's the only real Maths module.  Chances are, you're only doing these modules if you're doing Further Maths - and if you're doing it otherwise... each to their own, I guess.

[D1] Definitions

This covers all of the definitions (for graphs) you'll need for your Decision 1 exam in great depth.  It's important that you know all of this by heart. 
Click here

[D1] Minimum Spanning Trees (MSTs)

Kruskal's and Prim's are the name of the game in this topic.  Make sure you can tell them apart.
Click here

[D1] Shortest Routes

Dijkstra's.  Not much more to it really.
Click here

[D1] Complexities

This topic is often overlooked due to its rarity in exams.  It's short, you may as well take a look.
Click here

[D1] Critical Path Analysis (CPA)

This is probably the heftiest topic in Decision 1, so I've split it into smaller sections to make revising it easier.  Personally, I also think it can be the most challenging.

Basics

Click here

Precedency Networks

Click here

Floats

Click here

Scheduling


Schedule Formation

Click here

Scheduling Charts

Click here

[D1] Linear Programming (LP)

These are the high mark questions which take time.  If you're wanting to score high, revise this topic.

Problem Formulation

Click here

Solving Problem

Click here

[D1] Simulation

Fairly simple stuff here, just make sure you follow all the rules.

Assigning Random Numbers

Click here

Queuing Simulation

Click here

[D1] Algorithms

You only need to know a few of these.  The rest are just following the steps on your exam paper and being able to tell what they do.
Click here
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