Mathematics The Arabs developed the concept of irrational numbers, made algebra an exact science, founded analytical geometry, plane and spherical trigonometry, and incorporated into mathematics the...
Price: $5.00 Subscription: $20.00/year (QUARTERLY) Description: Al-Hewar magazine was established in 1989 to be a voice for intellectual opinions related to the Middle East, Arabic and Islamic issues. Date Established: 1989
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