...There are many counting techniques in discrete math. A permutation of letters is any arrangement of them in a row. The rule to calculate the number of permutations in "number" is similar but different than the rule to calculate the number of permutations in "repetition." The difference is that... (read more)
...My background in primary education helps me make concepts easy to digest and understand. I'm perfectly at home tutoring anything from 5th grade fractions to complex doctoral level Anatomy and Physiology. Personally, I'm passionate about writing and can help coach any style of writing, from elementary prose to business writing. (read more)