LetterPeg, an online math tutoring company founded by three friends who were members of the U.S. Rowing Team, hit the scene in 2010 and offers one of the most flexible online tutoring programs around. This service lets you choose your own tutor and, hourly rate, and it offers math tutoring for every level of student, from kindergarten to college. From offering an advanced whiteboard space that includes video to providing a tutoring rating system with reviews, LetterPeg is a standout product in online math tutoring.

LetterPeg offers a unique pricing system that is reflected by the tutor‘s rating. Their rating system places a tutor into one of four categories: Unrated, Bronze, Silver or Gold, with a minimum hourly rate for each category. To help you find a tutor, LetterPeg provides a searchable tutor database. Students can search by subject, grade, experience or educational experience, and when you peruse the tutor’s' profiles, you’ll see that each profile shows the tutor's experience, education, reviews and ratings, as well as their availability and hourly rate. And if you’re not satisfied with your first tutoring session, LetterPeg will issue a full refund.

After you pick a tutor, the next step is to schedule a session. No on-demand tutoring is available from LetterPeg, but since the service offers such a high number of tutors worldwide, they’re able to provide sessions that can accommodate any time frame. They also offer math tutoring for all levels of students, from grades K through 12 to college. And while you’re not able to save and replay previous tutoring sessions from LetterPeg, you can view past and current tutors you’ve used through your profile.

To ensure the ratings of tutors rating remain as accurate as possible, each student is require to rate the tutor on a scale between 1-5 after a tutoring session. The student can also write a review, which is then posted to the tutor’s profile.

LetterPeg offers an advanced shared whiteboard to use during your tutoring sessions. Their whiteboard includes interactive chat, continuous voice chat, video features for viewing the tutor, a customized image library, drag-and-drop graphing, inline text and equations, drawing and math tools and the ability to create an infinite number of new pages. To view a demo of the whiteboard you can visit ww.tutortrove.com.

Since all grade levels can enroll in online math tutoring at LetterPeg, every math concept is also available. Tutors specialize in basic math, pre-algebra, algebra, algebra II, pre-calculus, trigonometry, geometry, statistics, AP level calculus and statistics. They also offer test prep for every test you need, from the SAT, PSAT and ACT to the GRE and LSAT.

For questions, LetterPeg provides an email form and a local telephone number that’s answered Monday through Saturday, 8:00 a.m. to 5:00 p.m. E.S.T. There are also FAQs that are split up between questions for parents, tutors and general questions. LetterPeg also has a blog on their site.