Learn Long Division Problem Size is adjustable for 2 to 9 digits in the dividend and 1 to 4 digits in the divisor. Optional HELP WINDOW gives explanations and advice,but does not give the answer. A Problem Counter shows the number of problems completed at the current level. Only one problem displayed at a time in large, easy-to-see numbers. Each problem is randomly generated, so students working together will be doing different problems.