Texas Instruments Ti-30xiis Scientific Calculator - 2 Line(S) - Lcd - Solar, Battery Powered - 6.1" X 3.2" X 0.75" TEXTI30XIIS pg.467.

MODEL- TI30XIIs           VENDOR- TEXAS INSTRUMENTS
                                                                            
FEATURES- Scientific 2-line Calculator- Black
       The 2-line display scientific calculator combines statistics and 
        advanced scientific functions and is a durable and affordable 
        calculator for the classroom. The 2-Line display helps students 
        explore math and science concepts in the classroom. 
       Also check out the TI-30X IIB, which offers the same features with 
        battery power.
* Display 
   - 2-Line 
     Shows entries on the top line and results on the bottom line. 
   - Scrolling 
     Entry line (top) shows up to 11 characters and can scroll left/right 
     up to 88. Result line (bottom) shows up to a 10-digit answer and
     2-digit exponent. 
* Key features for math and science 
   - Previous entry 
     Lets you review previous entries and look for patterns. 
   - Menus 
     Allow you to select settings appropriate for your classroom needs. 
   - Fraction features 
     Allows operations with fractions and mixed numbers. 
   - 2-Variable statistics 
     Enter/delete/insert/edit individual statistical data elements. 
   - Conversions 
     Fractions/Decimals 
     Degrees/Radians/Grads 
     DMS/Decimal/Degrees 
   - Symbolic value of pi
     Recognizes pi as a symbol in radian mode. 
   - Basic scientific and trigonometric functions 
* Overhead projectable model: Stokes TI252.                                
* D&H carries workbooks for the TI30XIIS: 
   - Math Investigations with the TI30XIIS, Activities for Secondary 
     Mathematics (TI30XIISWKBK).
   - Math Investigations with the TI30XIIS and TI34II Activites for the       
     Middle Grades(TI30XIIS-34IIWB).