CASIO DS-1JT 10-Digit Tax Calculator

Features

Ultra robust calculator with check and correction function and preset 5% tax

The DS-1JT features the classic design of the ultra-durable calculators that were once popular, with a dark gray plastic enclosure surrounding the display and keyboard that exudes ruggedness.

Direct calculation of the price with tax and the price without tax

Preset tax rate of 5%

How to calculate the price with tax from the price before tax:

How to calculate the price before tax from the price with tax:

*Can change to any rate

Durable anti-fade keys

The 28 keys, including the numeric and arithmetic keys, are made of two-tone plastic, and the 28 key tabs are made of plastic, meaning they don't wear or fade with use.

Cross section of keys

The 300-step verification function helps prevent errors in calculations!

Auto review and revision

Review up to 300 math steps.

Auto review with just one click!

While reviewing a calculation, you can make changes to values and operators and redo the operation to get a new result.

grand total

Get the total sum automatically for the results of different calculations.

insert/delete

You can add steps to the calculation memory or delete steps from it. Note that if the number of steps in the calculation memory exceeds 300, you will not be able to review them later.

Add steps

Delete steps

* LCD icons appear enlarged for easier viewing.

Recheck with voice assistance

The recheck function allows errors to be confirmed by voice when checking calculations. If the user presses an incorrect key when performing a second calculation to check the results of their calculation, a beep will sound to alert them of an error.

The first arithmetic operation

The second arithmetic operation

* LCD icons appear enlarged for easier viewing.

The layout of the key and the shape of its cover

The keys are ergonomically designed and configured to match the natural movements of the fingers.

Three-key pass

Key rollover supports fast entry by registering the next key press even before the previous key is released.

Non-slip structure

The large rubber feet on the bottom of the calculator prevent it from slipping while you are using it.

Function command signals

The symbol (+,-,×,÷) on the display indicates the status of the operation you are currently performing.

Touch keys for silent operation

The keys are specially designed for silent use of the calculator compared to previous CASIO calculators, to help maintain a more pleasant working environment.

Solar and battery

Solar powered when light is sufficient, battery powered when light is insufficient.