Casio JJ_120D_PLUS Desktop Calculator

Newly Equipped With 300 Steps Check & Recheck Functions! Features: Recheck With Sound Assist The Recheck Function 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. 300 Steps Check Displays Up To 300 Previous Calculation Steps. Localized Number Display One-touch Switching Between Digit Separator Formats 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.