# How to Calculate Integers 1. + 472 + 792 = 11:16:4 = 12:6:4 = 1264 2. - 7421 - 4798 = 3:-3:-7:-7 = 2:6:2:3 (9=3+6=7+2, 10=7+3) = 2623 4798 - 7421 = -(7421-4798) = -2623 3. * 173 * 489 = 4: 8: 9 28: 5 6 : 6 3 1 2 : 2 4 :27 = 4:36: 6;17 : 8;7 :27 = 4:36:77:87:27 = 4:36:77:89:7 = 4:36:85:9:7 = 4:44:5:9:7 = 8:4:5:9:7 = 84597 4. / 2718 / 37 (1) Before calculating it, calculate {1,2,4,8}*37 first. 1*37=37 2*37=2*37=74 4*37=2*74=148 8*37=2*148=296 (2) 148 < 271 < 296 so 4. 74 + 148 = 222 < 271 so 2+4. 37 + 222 = 259 < 271 so 1+2+4=7. => 2718 / 37 = 7x.xxxxx... 271-259=12 so do 128/37. 74 < 128 < 148 so 2. 37 + 74 = 111 < 128 so 1+2=3. => 2718 / 37 = 73.xxxxx... Therefore 2718 / 37 = 73 with the remainder 128-111=17. Or do until you get the precision you want. It is astonishing that ':' is related to Fast Fourier Transform. See "Schonhage-Strassen algorithm".