Advanced scientific calculator loaded with features that are intuitive to use. Probability calculations for the Normal, Binomial and Poisson distributions can be accessed through logical menus and prompts with no awkward syntax to memorise. List based entry for data and statistics makes it easier to enter and edit. Four line display One and Two variable statistics Nine different regression options Normal, Binomial and Poisson distributions Generate random samples, store results to a list and explore Unit conversions and scientific constants Prime Factorisation Built-in functionality Review and edit previous entries Random number and integer generator Normal, inverse Normal, Binomial and Poisson distributions Permutations and combinations One and two variable statistics List data entry and editing Constants – Speed of light, Gravity, Avogadro’s number and more Unit conversions – Temperature, speed, energy, pressure and more Expression definition, evaluation and tabulation Trigonometry and hyperbolic functions Complex numbers in polar and rectangular form Fractions, mixed, improper and decimal conversion Intuitive Menus and multi-tap keys EOS: (Equation Operating System) Scientific and engineering notation Hardware High resolution display with four lines of 16 characters Battery operation with the support of solar cells to extend battery life Automatic shutdown Hard plastic keys with colour coding Anti-slip rubber feet Robust cover with quick reference card