DS-1JT features the classic design of earlier popular heavy duty calculators, with a dark gray plastic case surrounding the display and keypad that exudes reliability.
28 keys, including numeric and arithmetic keys, are produced by injecting plastic of two different colors. The markings of the 28 keys are plastic, which means they do not wear or fade with use.
Review up to 300 calculation steps.
Auto Review by pressing one single button!
While reviewing a calculation, you can make changes in values and operators and re-execute to obtain a new result.
Automatic totalization of the results of different calculations.
You can add steps to or delete steps from Calculation Memory. Note that if the number of steps in Calculation Memory exceeds 300, you will not be able to review them later.
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.
Keys are ergonomically shaped and configured to match natural finger movements.
Key rollover supports fast input by registering the next key press even before the previous key is released.
Large rubber feet on the bottom of the calculator keep it from slipping during operation.
A symbol (+,−,×,÷) on the display indicates the status of the operation you are currently performing.
Keys are specially designed for silent operation when compared to previous CASIO calculators to help maintain a more pleasant working environment.
Solar powered when light is sufficient, battery powered when light is insufficient.