1. Acknowledgements

   • Ramesh Chander

   Acknowledgments Pages: i - i

2. Editorial

   • Alladi Sitaram

   Departments Pages: 1 - 1

3. 175 years of linear programming

   • Vijay Chandru
   • M. R. Rao

   Series Article Pages: 4 - 13

4. Electrostatics in chemistry

   • Shridhar R. Gadre
   • Pravin K. Bhadane

   Series Article Pages: 14 - 23

5. Wegener and his Theory of Continental Drift

   • Ramesh Chander

   General Article Pages: 24 - 41

6. Assembly and breakup of supercontinents

   • A. B. Roy

   General Article Pages: 42 - 48

7. Opinion polls and statistical surveys: What they really tell us

   • Rajeeva L. Karandikar
   • Ayanendranath Basu

   General Article Pages: 49 - 58

8. Format’s two squares theorem revisited

   • Bhaskar Bagchi

   General Article Pages: 59 - 67

9. Nature watch

   • Kartik Shanker

   Feature Article Pages: 68 - 78

10. The work of the fields medallists: 1998

    • T. R. Ramadas

    Research News Pages: 79 - 82

11. Book review

    • Uday Maitra
    • Vani Brahmachari
    • Chanda J. Jog

    BookReview Pages: 83 - 91

12. Physical Research Laboratory, India (Ahmedabad, Gujarat)

    • P. Sharma

    Departments Pages: 92 - 96