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UNSPECIFIED (2013) Cousin to Viviani’s theorem = Clough’s conjecture = Clough’s theorem. At Right Angles, 2 (1). p. 1. ISSN 2582-1873

, CoMac (2013) A plethora: One problem, six Solutions. At Right Angles, 2 (1). pp. 35-38.

Athmaraman, R. (2013) Problems for the middle school. At Right Angles, 2 (1). pp. 53-55. ISSN 2582-1873

B, Sury (2013) Set theory revisited as easy as pie the principle of inclusion and exclusion – part 1. At Right Angles, 2 (1). pp. 16-19. ISSN 2582-1873

Community Mathematics Centre, CoMaC (2013) An impossible construction. At Right Angles, 2 (1). p. 65.

Community Mathematics Centre, CoMaC (2013) Fun problems. At Right Angles, 2 (1). pp. 49-52.

Community Mathematics Centre, CoMaC (2013) In his own words: George Polya. At Right Angles, 2 (1). pp. 30-34.

Community Mathematics Centre, CoMaC (2013) An application of graphs centigrade–fahrenheit conversion. At Right Angles, 2 (1). pp. 41-43.

De, Prithwijit and Shirali, Shailesh (2013) Problems for the senior school. At Right Angles, 2 (1). pp. 56-59.

Gaur, Shiv (2013) Paper play making a skeletal dodecahedron a solid geometry experience. At Right Angles, 2 (1). pp. 5-10. ISSN 2582-1873

Jagadeeshan, Shashidhar (2013) Towards mathematical disposition notes from a small school supportive learning spaces. At Right Angles, 2 (1). pp. 24-29.

Kodur, Giri (2013) Slicing a cube - sum of cubes and square of a sum : understanding your identity. At Right Angles, 2 (1). pp. 11-15. ISSN 2582-1873

Mishra, Punya (2013) The mathematical “i”. At Right Angles, 2 (1). pp. 68-69.

Patnaik, Rajkishore (2013) Numberphile. At Right Angles, 2 (1). p. 64.

Ramachandran, A. (2013) Triangles with sides in a progression. At Right Angles, 2 (1). pp. 39-40.

Shirali, Padmapriya (2013) Place value : a paper kit approach. At Right Angles, 2 (1). pp. 1-12.

Shirali, Shailesh (2013) One equation . . . many connects harmonic triples. At Right Angles, 2 (1). pp. 20-23.

Subramaniam, K. (2013) Pólya to the rescue: When you don’t know the solution to a problem. At Right Angles, 2 (1). pp. 60-63.

Titus, Sneha and Ghosh, Jonaki B. (2013) In a dynamic geometry environment: Exploring problems in geometry. At Right Angles, 2 (1). pp. 44-48.

कम्युनिटी मैथमेटिक्स सेंटर, कोमैक (2013) जॉर्ज पोल्या : उन्हीं के शब्दों में. At Right Angles, 1 (1). ISSN 2582-1873

गौर, शिव (2013) एक द्वादशफलक का ढाँचा बनाना. At Right Angles, 1 (2). ISSN 2582-1873

जगदीशन, शशिधर (2013) एक छोटे-से विद्यालय के नोट्स. At Right Angles, 2 (1). ISSN 2582-1873