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- DS-1JT
Heavy duty Calculator with Check & Correct Function and Preset 5% Tax Rate
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.
Direct calculation of Price Plus Tax & Price Less Tax
Preset tax:5%
How to calculate the tax-in price from the pre-tax price:
How to calculate the pre-tax price from the tax-in price:
*can be changed to any rate
Durable Anti-fade keys
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.
Key cross-section
The 300 Steps Check function helps to prevent calculation mistakes!
Review and Auto Review
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.
Grand total
Automatic totalization of the results of different calculations.
Insert / Delete
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.
Add steps
Delete steps
| Feature | Details |
|---|---|
| Product Features | Recheck with sound assist, 300 steps check, Tax calculation, Metal Faceplate |
| Product Type | Desktop Type with Metal Faceplate |
| Number of Digits | 10 digits |
| Display | Extra Large display, Function command signs, 3-digit comma markers |
| Key Characteristics | Durable Anti-fade Plastic Keys |
| Key Functions | Key rollover, Shift key (▶), Sign Change (＋/－), Mark-up, Mark-down |
| Memory | Grand total (GT), Independent memory |
| Power Supply | Solar & Battery |
| Size (D × W × H) | 207 × 146.5 × 51.3 mm |
| Weight | 305 g |
Display format settings
Decimal selector (4/3/2/1/0/ADD₂)
Rounding selector (F・CUT・UP・5/4）
Basic calculation
Basic Calculation
Regular percent (％)
Profit margin percent
Square root (√)
Applied calculation
Recheck with sound assist
300 steps check
Tax calculation