The politics of Cameroon takes place in a framework of a unitary presidential republic, whereby the President of Cameroon is both head of state and head of government, and of a multi-party system. Executive power is exercised by the government. Legislative power is vested in both the government and the National Assembly of Cameroon.
CFA (Communauté Financière Africaine) Franc (XAF; symbol CFA) = 100 centimes. Notes are in denominations of CFA10,000, 5,000, 2,000, 1,000 and 500. Coins are in denominations of CFA250, 100, 50, 25, 10, 5, 2 and 1.
The country has four patterns of drainage. In the south, the principal rivers flow southwestward or westward directly to the Gulf of Guinea — the Wouri, and lesser Dibamba, Bimbia and Mungo to the Cameroon estuary near Douala; Sanaga, Nyong, and Ntem further south along the coast; Akwayafe and Manyu (which joins Nigerian Cross), and the lesser Ndian and Meme in the north of coast.