Using division in mechanics

I made a post a few days ago about a roll and damage resolution mechanic:

http://www.bgdf.com/node/6958

And an important complaint I have received is that the use of division should be prohibited because it will scare players away.

The mechanics consist in adding up a number on each unit token in the battle and dividing by 5 (always 5). Each slice of 5 points gives you a die to roll that hits on 4+, and the remainder of the division is kept for the next attack.

Do you think that this is too complicated or convoluted?

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Mirror Threads

http://www.boardgamegeek.com/article/9872149#9872149