The fx-991CW+ UK is now even better and includes all the functionality you will find in an entry level scientific calculator with further improvements based on feedback directly from teachers and educators, improvements include:


●     Ultimate Advanced calculator with new functionality such as; HCF, LCM and recurring decimals


●     S<>D is easily accessible in one-press via the updated FORMAT key toggle


●     Shortcuts are readily available in all menus by using the represented number keys for efficient navigation


●     Standard Form conversion via [shift] FORMAT menu


●     [shift] CATALOG provides quick access to most used functions


●     A calculator designed and optimised for UK curriculums
  • Advanced scientific for post-16 mathematics
  • Spreadsheet with cell referencing for modelling and iteration
  • Numeric differentiation, integration and equation solving
  • Binomial and Normal probability distributions
  • Permitted for use in UK school examinations
    • - See more at: http://www.sciencestudio.co.uk/casio-fx-991ex-classwiz-advanced-scientific-calculator.html?category_id=49#sthash.rNUZiFR1.dpuf
  • Advanced scientific for post-16 mathematics
  • Spreadsheet with cell referencing for modelling and iteration
  • Numeric differentiation, integration and equation solving
  • Binomial and Normal probability distributions
  • Permitted for use in UK school examinations
    • - See more at: http://www.sciencestudio.co.uk/casio-fx-991ex-classwiz-advanced-scientific-calculator.html?category_id=49#sthash.rNUZiFR1.dpuf