Plutocalc is the most complete and popular calculator for water treatment, wastewater, hydraulics, environmental chemistry and unit conversions. Plutocalc calculations were carefully tuned to require minimal inputs and provide accurate results based in the latest advances of science. Features: - 103 solvers - 2670+ different calculations - Self explanatory diagrams - Internal databases for chemicals and standards - Results as you type - Multiple languages: English, Portuguese and Spanish - Calc