SP-100USNU - Calculator CASIO - Free user manual and instructions
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| Type of product | Printing calculator |
| Brand | Casio |
| Model | SP-100USNU |
| Dimensions (approx.) | 195 x 145 x 50 mm |
| Weight (approx.) | 280 g |
| Power supply | AC adapter (AD-5) or 4 AA batteries |
| Display | 12-digit LCD |
| Print speed | 2.0 lines per second |
| Paper width | 57 mm thermal paper |
| Key functions | Addition, subtraction, multiplication, division, percentage, memory, tax calculation |
| Memory | Grand total, item count, independent memory |
| Decimal point | Floating or fixed 0-6 decimal places |
| Rounding | Cut, round up, round down |
| Percentage calculation | Yes |
| Tax calculation | Yes (programmable tax rate) |
| Change sign | Yes |
| Correction | Clear key, last entry clear |
| Auto power off | Yes (with backup memory) |
| Cleaning | Wipe with a dry, soft cloth; do not use solvents |
| Safety | Keep away from moisture and heat |
| Spare parts / repairability | Replacement paper rolls (PD-1), AC adapter (AD-5) available |
Frequently Asked Questions - SP-100USNU CASIO
How do I set the tax rate on my Casio SP-100USNU calculator?
Press the 'TAX' key and select 'TAX SET'. Enter the tax rate (e.g., 7.5) and press 'TAX+' or 'TAX-' as appropriate. Confirm by pressing 'OK' or 'SET'.
How do I change the paper roll?
Open the printer cover. Remove the old roll and insert a new 57 mm thermal paper roll with the paper feeding from the bottom. Close the cover and press 'FEED' to align.
Why is my calculator not printing?
Ensure the paper roll is installed correctly, the printer cover is closed, and the batteries are not low. Also check that the thermal paper is loaded in the correct direction.
How do I clear the memory?
To clear the memory registers, press 'AC' (All Clear) then 'MEM' or 'GT' depending on the specific memory. For a full reset, press 'AC' and then 'CE' simultaneously.
Can I use rechargeable batteries?
Yes, you can use 4 AA rechargeable batteries. However, the AC adapter is recommended for prolonged use to save battery life.
How do I set the decimal point?
Press the 'DEC' key repeatedly to cycle through decimal settings: F (floating), 0, 1, 2, 3, 4, 5, 6. Choose the desired number of decimal places.
What does the 'GT' key do?
The 'GT' (Grand Total) key displays the accumulated total of all calculations since last cleared. Press 'GT' to view, and press 'GT' again to clear.
How do I perform a percentage calculation?
Enter the base number, press the multiplication key, enter the percentage, then press the '%' key. The result will be displayed and printed.
My calculator shows 'Err' on the display. What should I do?
'Err' indicates an error, such as overflow or division by zero. Press 'AC' to clear the error and re-enter the correct values.
How do I clean the calculator?
Use a dry, soft cloth to wipe the exterior. Do not use liquids, solvents, or abrasive cleaners. Keep the paper feed area free of dust.
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