Check And Recheck 14Digits, DJ-240D

300 steps check:
Displays up to 300 previous calculation steps.
Recheck function with Sound Assist:
The Recheck function with Sound Assist allows confirmation of errors by sound when checking calculations. 
If the user presses an incorrect key when performing a second calculation to check calculation results, a buzzer sounds to alert the user of the error.
Localized number display:
Displays numbers in three digit separator formats (Standard, European, and Indian).
Extra Large display:
Larger display makes more data easier to read.
Two-way power (Solar + Battery):
Solar powered when light is sufficient, battery powered when light is insufficient.
Key rollover:
Key operations are stored in a buffer, so nothing is lost even during high-speed input.
Plastic keys:
Designed and engineered for easy operation.
Regular percent:
Regular percentage calculations.
Mark-up:
All the mark-up capabilities of an adding machine for simplified cost and profit calculations.
Function command signs:
A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.
Grand Total:
Automatic totalization of the results of different calculations.
Go To Button:
Jump to a particular calculation step by pressing one single button.
Dimensions (HxWxD: 3.8x14.6x21.9cm
Weight: 260g