Ideal for algebra, geometry, and trigonometry, these solar-powered calculators feature logarithms; scientific notation; pi; angle units; factorial functions; and sine, cosine, tangent and their
  inverses. Color-coded to match the desktop version, the overhead calculator features a 1/2" digit display for easy to see overhead projector demonstrations. Size of desk model: 3" x 5". Size of
  overhead model: 4" x 7-1/4".
  
    
      
        | WLS13389-A | 
            Scientific Calculator and Overhead Version, Desk CalculatorIn stock
 
 | $25.75 |  |  | 
    
  
  
  
  Ideal for algebra, geometry, and trigonometry, these solar-powered calculators feature logarithms