Preface; Part I; Section A. Elementary Arithmetic: 1. Factors and least common multiple; 2. Fractions; 3. Decimals; 4. Complex fractions and decimals; 5. Relative speeds; 6. Decimal or metric system; 7. Averages; 8. Ratio; 9. Proportion; 10. Interpolation; 11. Percentages; Section B. Signs and Symbols: 12. Application of the four rules; 13. Transposition of formulae; Section C. Graphs: 14. Statistical graphs; 15. Continuous or locus graphs; Section D. Geometry: 16. Similar triangles; 17. Scales; 18. Parallelogram and triangle of velocities; 19. Square root and right-angled triangle; Part II: 20. Radian (or circular) measure; 21. Problems in simple equations; 22. Problems in simultaneous equations; 23. Problems in quadratic equations; 24. Construction and use of formulae; 25. Relative velocity; 26. Logarithms; 27. Trigonometry; 28. Tables of logarithms; Answers.