However, the amount of hand calculation involved would have been almost prohibitive, so Aiken's idea was to use an adaptation of the punched card machines which had been developed by Hollerith .
Gayunman, ang halaga ng mga kamay ng pagkalkula kasangkot ang halos lahat ng humahadlang, kaya Aiken's ideya ay upang gamitin ng isang adaptation ng punched card machine na kung saan nagkaroon na binuo ng Hollerith.