Authored

Figure 1: An early illustrated work dealing with the school of Salerno. The cover shows Constantine the African lecturing to the school. From Anastasius et al., Regimen sanitatis Salernitanum (1573). (Source). Dr Mahbub Gani Salerno is a town in...
MH
Mahbub Ghani* Figure 1: An Ottoman Almanac book page from the Bayezid II reign. Topkapi Palace Museum Library, R 1711. It was in school that most of us first flirted with trigonometry, simultaneously being handed the scientific calculator for...
MH
Figure 1. Some geometrical shapes from Suhayl al-Quhî's book "Fî istihraci mesaha al-muhassama al-maqafî or Risala-i abu Sahl". Suleymaniya Library, Ayasofya 4832. There are many occasions where we are confronted by problems in which we are concerned with...
MH
What is special about these numbers: 6, 28, 496 and 8128? What is the nature of the relationship between the following pairs of "amicable," numbers, as they are rather exotically denoted: 220 and 284, 17296 and 18416, 9 363 584 and 9 437 056? Why are the numbers 2, 3, 5, 7 drawn from a special...
MH