This highly functional and easy to use Scientific Calculator is a must for science students. The main calculator has over 40 functions while an extensive number of utilities, tools and science data reference systems can be called. The calculator contains one of the most extensive measurement converters available. Listed are over 2000 equations for physics, chemistry, maths, trigonometry and statistics. The value of over 100 constants can be quickly found as well as the name, formula and molecular weight of over 3000 compounds. Listed are over 400 science, maths and statistics symbols, as well as extensive lists of electrical symbols and piping and process symbols. Included are extensive tools including triangle calculators, vector calculators, shape calculators, kinematic calculators, half-life calculators, maths calculators, gas laws calculators, statistical calculators, molar mass calculators and pH calculators. The system contains extensive science data reference systems including SI units, derived quantities, maths laws, atomic structures, ions, homologous series, frequencies, shapes, angle types, material properties, acids, bases, conjugate pairs, ecological groups and biomes. The system includes interactive flowcharts for mechanical and electrical units. It has 9 colour coded periodic tables, over 30 types of property data for every element, full electron configuration of the elements, radiation types and quantum numbers. It has extensive property data of common materials, A glossary system contains the phonetic alphabet, science and medical fields, and acronyms and abbreviations used in science. The calculator also contains an event timer, yearly calendar and world times system. The output from the calculator is recorded in a electronic note pad and can be displayed in decimals, scientific notation or engineering notation. A search system can be used to quickly locate science tools and data reference systems, and a help systems describes operation.