1. Gabatarwa
This manual provides essential instructions for the proper use and maintenance of your Casio DS-1JT heavy-duty desktop calculator. Designed for durability and efficiency, this calculator features a 300-step check function, tax calculation capabilities, and a robust design suitable for demanding environments. Please read this manual thoroughly before using the calculator to ensure optimal performance and longevity.
2. Samfurin Ya Ƙareview
The Casio DS-1JT is a heavy-duty desktop calculator featuring a classic design and a dark gray plastic case that enhances its durability. It is equipped with a large LCD display and fade-resistant keys for reliable long-term use.

Gaba view of the Casio DS-1JT heavy-duty desktop calculator, showing its large LCD display and key layout.
A 360-degree rotating view of the Casio DS-1JT desktop calculator, showcasintsarinsa daga dukkan kusurwoyi.
3. Saita
3.1 Tushen Wuta
The Casio DS-1JT calculator operates on dual power: solar and battery. It comes with one battery pre-installed. The solar panel provides power in well-lit environments, while the battery ensures continuous operation in low-light conditions.
3.2 Amfani na farko
Upon first use, ensure the calculator is exposed to sufficient light for the solar panel to activate, or press the AC/ON button to power it on. No additional setup is typically required for basic operation.
4. Umarnin Aiki
4.1 Ƙididdigar asali
- Ƙari (+): Enter the first number, press '+', enter the second number, press '='.
- Rage (-): Enter the first number, press '-', enter the second number, press '='.
- Yawan yawa (×): Enter the first number, press '×', enter the second number, press '='.
- Rarraba (÷): Enter the first number, press '÷', enter the second number, press '='.
4.2 Check and Correct Function (300 Steps)
Wannan aikin yana ba ku damar sakeview and correct up to 300 calculation steps. This is particularly useful for preventing errors in long calculations.
- RECHECK: Danna wannan maɓallin don sakeview previous calculation steps.
- BACK/FORWARD: Use these buttons to navigate through the recorded steps.
- GYARA: If an error is found, navigate to the incorrect step and enter the correct value. The calculator will automatically adjust subsequent calculations.
4.3 Tax Calculation
The calculator comes with a pre-adjusted 5% tax rate. You can perform direct calculations for prices including or excluding tax.
- TAX+: Adds the pre-set tax rate to the displayed value.
- TAX-: Subtracts the pre-set tax rate from the displayed value.
4.4 Ayyukan Ƙwaƙwalwa
- M+: Yana ƙara ƙimar da aka nuna zuwa ƙwaƙwalwar ajiya.
- M-: Yana cire ƙimar da aka nuna daga ƙwaƙwalwar.
- MRC: Recalls the memory content (press once) or clears the memory (press twice).
4.5 Wasu Ayyuka
- GT (Babban Jima'i): Displays the grand total of all calculations performed since the last GT clear.
- MU (Mark-Up): Calculates mark-up and mark-down percentage.
- % (Kashitage): Ana amfani da kashi ɗayatage lissafi.
- √ ( Tushen square): Yana ƙididdige tushen murabba'in lambar da aka nuna.
- 3-Key Rollover: Ensures that keystrokes are not lost during high-speed input, improving accuracy.
- Silent Touch Keys: Designed for quiet operation, reducing noise during use.
- Function Command Signs: Indicators on the display show the current operation being performed.
5. Kulawa
5.1 Tsaftacewa
To clean the calculator, wipe it gently with a soft, dry cloth. Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the display or internal components.
5.2 Sauya Baturi
When the display becomes dim or unresponsive in low light, it may be time to replace the battery. Refer to the battery compartment on the back of the calculator for instructions on how to open it and replace the battery. Ensure the calculator is powered off before replacing the battery.
5.3 Adana
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. The anti-slip structure helps keep it stable on your desk.
6. Shirya matsala
6.1 Abubuwan Nuni
- Dim Nuni: Ensure the calculator is in a well-lit area for solar power, or replace the battery if necessary.
- Babu Nuni: Press the AC/ON button. If still no display, check battery installation or replace the battery.
6.2 Kurakurai na Lissafi
- Sakamakon da ba daidai ba: Utilize the 300-step check and correct function (RECHECK, BACK, FORWARD, CORRECT buttons) to review your input and make corrections.
- Halin da Ba A zata: Clear all calculations and memory by pressing AC/ON. If the issue persists, remove and reinsert the battery.
7. Ƙayyadaddun bayanai
| Siffar | Daki-daki |
|---|---|
| Mai ƙira | Casio |
| Alamar | Casio |
| Lambar Samfura | DS-1JT |
| Girman samfur | 24 x 16 x 0.25 cm |
| Nauyin Abu | 305g ku |
| Launi | Baki, Grey |
| Nau'in Abu | Filastik |
| Adadin Abubuwan | 1 |
| Tushen wutar lantarki | Battery (1 required, included), Solar |
| Nau'in Nuni | LCD |
| Na'urori masu jituwa | For single use |
8. Garanti da Tallafawa
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Casio website. Ajiye shaidar siyan ku don kowane da'awar garanti.





