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12 x 34 Paper Program
12 x 34 Paper Program19G12

Multiplication Arithmetic Unit

A visual multiplication program that relies on counting the intersection of lines to get the product from multiplication of large numbers. For digits larger than 4, lines of a different color, or folds in a different direction, can reduce clutter.

12 x 34 Paper Program, no pen
12 x 34 Paper Program, no pen16G06

incoming paper computing