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At Right Angles November 2018


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The November issue has beaten the nay-sayers at their own game with articles that celebrate the joy of doing mathematics through games, stories, applications of mathematics and activities on line and in the classroom. Enjoy our Childrens Day offering at https://azimpremjiuniversity.edu.in/SitePages/resources-at-right-angles-Vol-7-No-3-november-2018.aspx and don’t forget to share feedback at [email protected]

And to top it all, we have not one but two students contributing articles to the Features section, no less! Enjoy a great read!

   
Editorial

Sneha Titus
Editorial


 

Features

Shuborno Das
Functional Equations Part II


 
 
Shuborno Das
Solutions to Practice Problems in Functional Equations – Part I


 

Shailesh Shirali
The Constants of Mathematics - Part II

The remarkable number e



 
 
Rahul Tikekar
Ramanujan: What might have been, if only.


 

Classroom

Sandhya Gupta
Shapes With Sutli: The String Game


 
 
Haren Sathvik
Arc - Centre Theorem

 

Satvik U Kaushik
A Note On Armstrong Numbers


 
 
Swati Sircar
TearOut: Fun With Dot Sheets


 

Shailesh Shirali
Geometric Proof of a Trigonometric Identity


 
 
Hriday Kant Dewan
Interpretation of Errors In Arithmetic


 

A.Ramachandran
Some Down-to-Earth Trigonometry


 
 
CoMaC
Area Covered By Two Intersecting Circles

 

Tech Space


Sangeeta Gulati
Mobile Puzzles-Making Sense of Variables and Equations


 

Problem Corner


A Ramachandran
Problems for the Middle School Problems Related to Divisibility

 
 
Prithwijit De
Pigeonhole Principle: Some Applications

 

Shailesh Shirali
Adventures in Problem Solving


 
 
Phoolan Prasad
Mathematics Olympiads In India

 

Shailesh Shirali
Arsalan’s Amazing Area Problems


 
 
CoMaC
A Pythagoras-Style Diophantine Equation And Its Solution

 

Prithwijit De & Shailesh Shirali
Problems For The Senior School


 

Reviews


Reviewed by Venkatesh Onkar
1089 And all that: A Journey into Mathematics by David Acheson


 
 
Reviewed by Shashidhar Jagadeeshan
Introducing Steven Strogatz


 
Pullout


PadmaPriya Shirali
Approaches To Equations

 


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