1. Editorial

   • B. Sury

   Departments Pages: 1 - 1

2. S S Pillai: 5 April 1901–31 August 1950

   • B. Sury

   Departments Pages: 2 - 3

3. Cyanobacteria: A potential biofertilizer for rice

   • Upasana Mishra
   • Sunil Pabbi

   General Article Pages: 6 - 10

4. From lintearia to lemniscate II: Gauss and Landen’s work

   • R. Sridharan

   General Article Pages: 11 - 20

5. Living technologies

   • P. K. Sumodan

   General Article Pages: 21 - 29

6. Wave propagation: Odd is better, but three is best

   • V. Balakrishnan

   General Article Pages: 30 - 38

7. The unique story of a high-tech polymer

   • Panchanan Pramanik
   • Ruby Chakraborty

   General Article Pages: 39 - 50

8. Waring’s problem and the circle method

   • C. S. Yogananda

   General Article Pages: 51 - 55

9. Errata

   • K. Kasturirangan

   Erratum Pages: 55 - 55

10. Errata

    • Padma S. Vankar

    Erratum Pages: 55 - 55

11. Uses of bryophytes

    • D. K. Saxena
    • Harinder

    General Article Pages: 56 - 65

12. Propulsion of the putt-putt boat — I

    • V. Sharadha
    • Jaywant H. Arakeri

    Feature Article Pages: 66 - 73

13. The real effects of pseudo forces

    • P. Chaitanya Das
    • G. Srinivasa Murthy
    • P. C. Deshmukh

    Departments Pages: 74 - 85

14. An experiment for teaching chamical kinetics in chemical education

    • I. Ceyhun
    • Z. Karagölge

    Departments Pages: 86 - 91

15. Control volume analysis related to putt-putt boat

    • Jaywant H. Arakeri

    Departments Pages: 92 - 95

16. Nonlinear functional analysis — A first course

    • Mythily Ramaswamy

    Book Review Pages: 96 - 96