First law of memory : it is needed to be concentrated and get the impression, using not only sight but also rumor, sense of smell for this purpose. Visual impression most durable.
The second law is a reiteration. Useful aloud to say of that needs to be memorized. For example, when I taught a multiplication table, I said of her and used photographic and auditory memory. And when rewrite yet and, motor memory joins in work.
Yet I have a method of the visual memorizing for passwords during work with a computer. It is needed visually to imagine the location of letters and numbers on a keyboard.
The third law of memory is associations. Reliably memorizing some fact is possible, binding him to some other. The method of association I apply at the overlearning of foreign words, associating sounding of new word with already well-known to me.
Yet I like a method that uses our teacher of German - to learn by heart poems in a kind turnip.
For development of memory самоорганизация is also needed, in fact