The Dual Display Desktop Solar Calculator from Casio has large and small LCD displays for easier operation. The dual display makes it possible to copy values between the displays save calculation results and use the save values for other calculations. You can also calculate tax and exchange and cost sell and margin. The DV-220 runs on solar power with battery backup.
Dual Display Makes It Possible To Copy Values Between The Displays Save Calculation Results & Use The Save Values For Other Calculations Large 12-digit Display Solar Power With Battery Backup Tax & Exchange Calculations Cost Sell & Margin Calculations Key Rollover