Anyway, I was wondering what, if any, design documentation was used? Did you find a certain diagrams lent themselves better to your Agile process, like Flowcharts, Dataflows, Sequences, Architecture, Class or diagrams?.

Thanks and nice site, it’s so minimal yet very professional looking.

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IF(

VALUE(MID(YOUR_FIELD__c,1,1))*2 > 9,

MOD(VALUE(MID(YOUR_FIELD__c,1,1))*2,10) + 1,

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) +

VALUE(MID(YOUR_FIELD__c,2,1)) +

IF(

VALUE(MID(YOUR_FIELD__c,3,1))*2 > 9,

MOD(VALUE(MID(YOUR_FIELD__c,3,1))*2,10) + 1,

VALUE(MID(YOUR_FIELD__c,3,1))*2

) +

VALUE(MID(YOUR_FIELD__c,4,1)) +

IF(

VALUE(MID(YOUR_FIELD__c,5,1))*2 > 9,

MOD(VALUE(MID(YOUR_FIELD__c,5,1))*2,10)+1,

VALUE(MID(YOUR_FIELD__c,5,1))*2

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VALUE(MID(YOUR_FIELD__c,6,1)) +

IF(

VALUE(MID(YOUR_FIELD__c,7,1))*2 > 9,

MOD(VALUE(MID(YOUR_FIELD__c,7,1))*2,10)+1,

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VALUE(MID(YOUR_FIELD__c,8,1))+

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