Seminars@Hadley are the best! The technology seminars are especially relevant; the information I acquired helped me learn about my iPhone.
—Eileen, CA, 2014
Did you find "Abacus 1" useful? To further your abacus skills, learn to compute fractions, percents, quantities, square roots and negative numbers.
Prerequisite: Teacher recommendation after completion of Abacus 1 or equivalent.
Course: ABA-201, Media: B, DTB, DTB-DL or LP, Lessons: 5