In this Issue Cover Page Contents Steinhaus’s Problem on Chains of Regular Tetrahedra - Ian Stewart Prisoners and Hats Problem, Introducing the Binary Hamming Codes - Sharad S. Sane The Decimal Place-Value System, Part I : The Vedic Roots - S. G. Dani What is happening in the Mathematical world? - Devbhadra V. Shah Problem Corner - Udayan Prajapati TMC Activities - S. A. Katre International Calendar of Mathematics Events - Ramesh Kasilingam The 10th Heidelberg Laureate Forum (HLF) - T. R. Ramadas TMC Activities - S. A. Katre Click here to download this issue File Attachment Download PDF (4.69 MB) Tags Publication TIMC Bulletin Vol 4 Steinhaus’s Problem Regular Tetrahedra Prisoners and Hats Problem Decimal Place-Value System Vedic Roots