<Ol> <Li> Count a number of sentences (at least 30) </Li> <Li> In those sentences, count the polysyllables (words of 3 or more syllables). </Li> <Li> Calculate using <Dl> <Dd> grade = 1.0430 number of polysyllables × 30 number of sentences + 3.1291 (\ displaystyle (\ mbox (grade)) = 1.0430 (\ sqrt ((\ mbox (number of polysyllables)) \ times (30 \ over (\ mbox (number of sentences))))) + 3.1291) </Dd> </Dl> </Li> </Ol> <Li> Count a number of sentences (at least 30) </Li> <Li> In those sentences, count the polysyllables (words of 3 or more syllables). </Li> <Li> Calculate using <Dl> <Dd> grade = 1.0430 number of polysyllables × 30 number of sentences + 3.1291 (\ displaystyle (\ mbox (grade)) = 1.0430 (\ sqrt ((\ mbox (number of polysyllables)) \ times (30 \ over (\ mbox (number of sentences))))) + 3.1291) </Dd> </Dl> </Li>

The smog calculator is used to do which of the following tasks