The Africa Alphabet was developed 1928 under the lead of Diedrich Westermann. He developed it with a group of Africanists[?] at the IAI[?] in London. Its aim was to be able to write all the African languages for practical and scientific purposes.
... x-axis in a single point.)
If the discriminant is positive, then there are two different solutions x, both of which are real. (Geometrically, this means that the parabola ...