Casio Ergonomic Desktop Calculator DE-12E



Perfectly fitted to your right finger for easy typing. With our new “Ergonomic Step Keys” structure, your calculator matches the contours of your hand instead of requiring you to adjust for the calculator.


  • Extra Large Display: Larger display makes more data easier to read.
  • Solar & Battery: Solar powered when light is sufficient, battery powered when light is insufficient.
  • Silent Touch Keys: Keys are specially designed for silent operation when compared to previous CASIO calculators to help maintain a more pleasant working environment.
  • Key Cap Shape: Keys are produced by injecting plastic of two different colours. Key markings are plastic, which means they do not wear or fade with use.
  • Durable Anti-Fade Keys: Keys are ergonomically shaped and configured to match natural finger movements.
  • Non-slip Structure: Large rubber feet on the bottom of the calculator keep it from slipping during operation.


  • Number of Digits: 12 digits
  • Power Supply: Solar & Battery CR2025×1
  • Key Functions: Key rollover / Shift key (▶) / Sign Change (+/-)
  • Product Dimensions: D:188 x W:140 x H:35 (mm)
  • Package Content: 1 x Casio Ergonomic Desktop Calculator DE-12E