Protected: Active 10 years ago Topics: 3Replies: 1☆ ProfileForums Topics StartedReplies CreatedEngagements Forum Replies Created Viewing 1 post (of 1 total) Author Posts November 30, 2015 at 4:39 pm #286476 firminoMember Topics: 3Replies: 1☆ so how do we know for sure if we are calculating it correctly Author Posts Viewing 1 post (of 1 total)