Hi Mike ! I have decomposed the formula into several small parts http://drools.46999.n3.nabble.com/file/n4013423/error.png ....I was trying with Free form DRL, then I validated it...it is giving error....
*[DeathBenefitRule] Unable to Analyse Expression int $interestNumerator=1+($deathBenefit.getInterestRate()/100); int $interestRateNumerator=1; int condition=$deathBenefit.getPolicyTerm()-$deathBenefit.getPolicYear()+1; for(int i=0; i<=condition; ++i ){ $interestRateNumerator=$interestRateNumerator*$interestNumerator; }; double numerator=1-1/$interestRateNumerator; System.out.println(numerator);: [Error: no such identifier: condition] [Near : {... for(int i=0; i<=condition; ++i ){ ....}] ^ [Line: 6, Column: 17]* I put this in the box---> *int $interestNumerator=1+($deathBenefit.getInterestRate()/100); int $interestRateNumerator=1; int condition=$deathBenefit.getPolicyTerm()-$deathBenefit.getPolicYear()+1; for(int i=0; i<=condition; ++i ){ $interestRateNumerator=$interestRateNumerator*$interestNumerator; } double numerator=1-1/$interestRateNumerator; System.out.println(numerator);* -- View this message in context: http://drools.46999.n3.nabble.com/How-to-put-Power-in-Formula-box-of-THEN-tp4013154p4013423.html Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users