The use of symbols on the menu screen improves clarity. Selecting the desired function is quick and easy. Input and display of fractions, powers, logarithms, roots, and other mathematical formulas and symbols as they appear in textbooks. Stored variables and statistical calculation results can be displayed in lists. Calling up and confirming individual values as in previous models is no longer necessary. Almost all English words are displayed in their full form on the screen. The interactive menu display allows for more intuitive operation.