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Edexcel A level
C1 · C2 · C3 · C4
FP1 · D1 · S1

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Waldomaths applet - Java applet
Waldomaths video - video (c. 5m)
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Edexcel D1 (Decision 1 - 6689)

Author and programmer: Ron Barrow
   
           

Documentation

external Adobe Acrobat .pdf file Full course specification (Edexcel website)
external Adobe Acrobat .pdf file Mathematical formulae and statistics tables (Edexcel website)
external Adobe Acrobat .pdf file Edexcel D1 (6689) Syllabus Specification (2008) (© Edexcel Ltd.)

Algorithms

Algorithms - Implementation and Flow Charts

 

Sorting Algorithms

Waldomaths video  The Bubble Sort Algorithm - video

Bin Packing Algorithms

 

Algorithms on Graphs

Minimum Connector Algorithms

 

Shortest Path - Dijkstra's Algorithm

 

The Route Inspection Problem

Route Inspection - The Chinese Postman Algorithm

Waldomaths video  Route Inspection - The Chinese Postman Algorithm - video

Critical Path Analysis

Activity Networks

 

Precedence Tables

 

Algorithm - Earliest and Latest Event, Start and Finish Times

 

Total Float - Gantt (Cascade) Charts - Scheduling

 

Linear Programming

Formulating Problems

 

Graphical Solution of 2-Variable Problem

Waldomaths applet  Linear Programming Graphs

Integer Solutions

 

Matchings

Bipartite Graphs for Modelling

 

Maximum Matching Algorithm