Editorial

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A Note on Some Generalizations of Continuity in Topological Spaces
Nurul Adilla Farhana Wahab and Zabidin Salleh

1

Pairwise Nearly Regular-Lindelöf Bitopological Spaces
Zabidin Salleh and Adem Kılıçman

16

Correlation Analysis of the Influence of Geothermal Environment to the Quality of Porcelain Insulator
Wan Nur Syahidah Wan Yusoff and Maman Abdurachman Djauhari

24

A Simple Proof of the Fermat’s Last Theorem
Ramappillai Nagarajah

33

Assorted Iterative Methods as Solution of Fuzzy Linear Systems
Nurhakimah Ab Rahman and Lazim Abdullah

40

Expansion of cos n θ and sinvn θ in terms of cosines and sines of multiple of θ
by using Noor's triangle
Noor Muhammad, Hidayatullah Khan, Nor Haniza Sarmin, Aurang Zeb

49

Development of Geometry Courses in The University Level in UPM and UKM
Fatin Abdul Haddy and Adem Kiliçman

56