I like the odds scale, myself.
For my part I find it irritating. But it would certainly work better for 1 significant figure expressions. Although I suppose you could say it kind of relies on two significant figures (one on either side) to work at all.
For my part I find it irritating. But it would certainly work better for 1 significant figure expressions. Although I suppose you could say it kind of relies on two significant figures (one on either side) to work at all.