Cateye adventure - slope measurement

mamiljock
mamiljock Posts: 69
edited June 2011 in Road buying advice
recently bought Cateye bike computer with altitude and slope measurement. It says in the instructions that a slope of 45 degree equals 100% - i thought this would be 50%? Is this the normal measurement of gradient such as in the magazines or on TV?
ya still gotta crank it

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