Texas Instruments TI 34 Multiview calculator

FEATURES:
- Four line display
- One and two variable statistics
- MathPrint function
- Advanced fraction functions
- Fraction simplification step by step
- Edit, cut and paste entries
- Solar and battery operated
Integrated functions:
- Review and edit previous entries from a scrollable home screen
- Insert inputs or results in new calculations
- MathPrint mode for inputting math notation, including, square roots, fractions, percentages, and exponents, and outputting math notation for fractions
- CLASSIC mode for similar entries and compatibility with two-line predecessors such as the TI-34II
π symbol when entering, some calculations relating to π and π up to the last possible decimal place of the calculator-
- Shift key to change the answer form between fractional and decimal numbers, or between π terms and decimal numbers
- Conversions of fractions / decimals / percentages
- Change between illegal fractions and mixed numbers, plus another mode setting for the standard output of mixed numbers or fractions
- Function for simplifying fractions, with which a fraction is always simplified by a factor instead of automatically simplifying it to the smallest terms
- Integer division denotes quotient and remainder
- Random number generator and whole numbers
- MODE menu for selecting calculator mode settings
- Menu settings
- Functions that can be accessed directly via buttons or vertical menus
- Inversion button
- Two-constant operations to explore mathematical patterns
- Combinations and permutations
- Trigonometric functions including sin, cos, tan, inverse sin, inverse cos, and inverse tan
- Logarithms and antilogarithms
- Angle conversion from degrees to radians
- The square root function is the master key
- %, x², ¹ / x, p, x !, exponent key
- Fixed decimal mode option
- Basic data / list editor with three lists
- One and two variable statistics with input memory for statistics variables
- EOS: (Equation Operating System)
- Up to eight unfinished business
- Up to 23 bracket levels
- Debugging function
- Quick / easy resetting of the calculator via 2 buttons or via a menu during tests
- Seven memory variables. (x, y, z, t, a, b, c)
- Scientific notation
- x10n key for quick entry of powers of ten
Hardware:
- Easy-to-read LCD 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 color coding
- Anti-slip rubber feet
- Impact-resistant cover with quick overview map