Calculator.org is tracked by us since April, 2011. Over the time it has been ranked as high as 145 795 in the world, while most of its traffic comes from USA, where it reached as high as 71 055 position. It was owned by several entities, from Bill Ayers of Flow Simulation Ltd. to REDACTED FOR PRIVACY of Flow Simulation Ltd., it was hosted by W2 Networking Limited, Microsoft Corporation and others.

Calculator has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Calculator.org is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Calculator.org is a fully trustworthy domain with mostly positive visitor reviews.