The Holy Quran by al-Douri from Abu Amr al-Basri is completely free of charge. Completely identical to the paper Koran Features of this version: * Fence index. * Index of parts and parties and even quarter, half and three quarters. * Newspaper index. * Mark and possibility of reference. * Automatically save the page when you close the program and when you open again will automatically go to the page that was closed. * The possibility of control in lighting, which helps to comfort the eye