Talk:Derf/@comment-4918713-20120728062632/@comment-25337554-20160808102809

Well, 1300 is not 1182 in derfmal.

1300(dec)=121*10+11*8+2(dec)=972(derf), which looks like the same as 12*81=972 in decimal.

Ans, 650(dec)=121*5+11*4+1(dec)=541(derf). This time not similar to decimal.

I will write 2 times table in derfmal:

2*1=2, 2*2=4, 2*3=derf, 2*4=7, 2*5=9, 2*derf=11, 2*6=13, 2*7=15, 2*8=16, 2*9=18.

Note that 2 times 1,2,8,9 are same as decimal.