MEGA MATH - HUMAN CALCULATOR - FLANSBERG - TRUDEAU[THIS IS A COMPLETE SET IN VERY GOOD CONDITION]This is a boxed set including one VHS tape, four cassettes, and a booklet. Now you will be able to solve math problems quicker, and enjoy solving them too! This exciting learning program includes adding and subtracting up to 4 digit columns, dividing using 2 mistake-proof formulas, multiplication of complex number, solving difficult problems algebraically, calculating challenging story problems, figuring percentages, square roots, cube roots and much more ! -Item/s inventoried in a clean, climate controlled environment, free of smoke and animal dander.animal dander. Check out my other items! Powered by eCRATER . List your items fast and easy and manage your active items.