iTWO REX is for construction investors such as landowners and developers. It prepares financial models at the backend and calculates KPIs results automatically according to inputs. These KPIs includes costs, returns and bank loan information. They are important reference to evaluate a project before go for real. iTWO REX has two parts. Part One collects and stores inputs for financial calculations, users could change these variables at any time. Part two illustrates financial outcomes with vivid graphs and tables.