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11 Dec, 2016
Best Adding Machine Ever
I have had the original product since it was introduced in the late 1980's. Mine still works after regular use, but the keys are skipping and require a frustrating soft touch. I was overjoyed when I looked online and found this exact replacement. The main feature is that it allows you to scroll up and down to check your work and to both cancel and re-enter as you input, or go back and remove just one figure without starting all over. What a great product.