FX300ESPLUS Scientific Calculator and SL300SV Basic Calculator
Casio’s latest standard scientific calculator features new Natural Textbook Display and improved math functionality. FX-300ES PLUS has been designed as the perfect choice for middle school through high school students learning general math, Trigonometry, Statistics, Algebra I and II, Pre-Algebra, Geometry, and Physics. Casio’s basic calculator is small enough to fit in one’s pocket or purse. The SL-300SV has the features you’ll need for office or home calculations. The large 8-digit display is easy to read in any environment. The calculator is solar powered, plus has battery backup should you find yourself using it in low lighting conditions
SL300SV Basic Calculator: 
  8 Digit Big Easy to Read Display
  Independent Memory
  Percent Key %
  Square Root Key √
  Change Sign (+/-)
  Auto Power Off
  Solar Power – W/ Battery Back-Up