This is a highly functional and easy to use Scientific Calculator. It incorporates many science tools including a triangle calculator, vector calculator, shape calculator, kinematic calculator, half-life calculator, maths calculator, gas laws calculator, statistical calculator, percent and proportion calculator, world times, event timer, measurement converter and a molar mass calculator. Numerous science data reference systems can be called including SI units, symbols, constants, maths laws, atomic structures, organic compounds, ions and ionic compounds, and chemical reactions. Over 500 commonly used compounds can be quickly called to list their name, formula, molecular mass and CAS number. Over 100 constants can be called to list their numerical value and uncertainty value. Search systems are available for science symbols, ions, science terms and equation formula. Interactive flowcharts can be called for mechanical and electrical units. An interactive periodic table lists elements properties. A help system explains operation, and system contents can be quickly located through a search system.