gptkbp:instanceOf
|
gptkb:mathematician
astronomer
|
gptkbp:birthDate
|
940
|
gptkbp:birthName
|
gptkb:Abū_al-Wafāʾ_Muḥammad_ibn_Muḥammad_ibn_Yaḥyā_ibn_Ismāʿīl_al-Būzjānī
|
gptkbp:birthPlace
|
gptkb:Buzhgan,_Khorasan,_Iran
|
gptkbp:contributedTo
|
improvements in calculation of sine tables
introduction of the tangent function
methods for constructing regular polygons
|
gptkbp:deathDate
|
998
|
gptkbp:deathPlace
|
gptkb:Baghdad,_Iraq
|
gptkbp:era
|
gptkb:Islamic_Golden_Age
|
gptkbp:field
|
gptkb:astronomy
gptkb:mathematics
|
https://www.w3.org/2000/01/rdf-schema#label
|
Abu al-Wafa
|
gptkbp:influenced
|
gptkb:Omar_Khayyam
gptkb:Al-Biruni
|
gptkbp:knownFor
|
gptkb:Abu_al-Wafa's_theorem
trigonometry
spherical trigonometry
improvements to tangent and secant tables
|
gptkbp:language
|
gptkb:Arabic
|
gptkbp:nationality
|
gptkb:Persian
|
gptkbp:occupation
|
gptkb:mathematician
astronomer
|
gptkbp:residence
|
gptkb:Baghdad
|
gptkbp:wrote
|
gptkb:Kitab_al-Amal_bil-Misaha
gptkb:Kitab_al-Handasa
gptkb:Kitab_al-Jabr_wa_al-Muqabala
gptkb:Kitab_fima_yahtaju_ilayh_al-kuttab_wa_al-ummal_min_'ilm_al-hisab
Kitab al-Kamil (The Complete Book)
|
gptkbp:bfsParent
|
gptkb:Planisphaerium
|
gptkbp:bfsLayer
|
6
|