Squares Level 9: 2d square (any). multiplication window train. 1. Left Edge37 squared equals 37 times itself1. Left EdgeHighlight the left edge pair and drop its raw digit.37times37Active multiplication windowraw windows9raw -> 9 | _ | _Highlight the left edge pair and drop its raw digit.2. Center Window2. Center WindowUse the full middle window.37times37Active multiplication windowraw windows942raw -> 9 | 42 | _Use the full middle window.3. Right Edge3. Right EdgeFinish with the right edge pair.37times37Active multiplication windowraw windows94249raw -> 9 | 42 | 49Finish with the right edge pair.4. Settle strip4. Settle stripSettle once.Keep ones; carry moves left.raw windows9 | 42 | 49settled strip13 | 6 | 9Final multiplication answer9 | 42 | 49 -> 1369.
