# Basic calculator CASIO SL-310UC-BK — 10-digit, battery/solar, tax & profit functions, pocket size (70×118×8.4 mm), black

**URL:** https://aio.lv/en/product--casio-sl-310uc-bk--4395040
**Data updated:** 2026-01-21 10:56 (EET)
**Category:** Calculators
**Manufacturer:** CASIO
**Manufacturer code:** SL 310UC BK
**EAN:** 4549526612893
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--casio-sl-310uc-bk--4395040

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

Compact basic calculator CASIO SL-310UC-BK with a 10-digit display and combined battery/solar power. Pocket-sized (70 × 118 × 8.4 mm) and weighing 50 g, it offers tax and profit calculation, digit comma separator and button control. No cover or second display. Suitable for everyday arithmetic, simple accounting and quick tax/profit checks.

## Long description

The Casio SL-310UC-BK is a pocket-sized basic calculator with a 10-digit display designed for everyday arithmetic tasks. It supports tax and profit calculations and offers dual power from battery and solar cells, ensuring reliable operation in varied lighting conditions. Its compact black housing and straightforward keypad layout make the unit convenient for quick on-the-go calculations in retail, office, school or personal use.
Advantages
The calculator provides a clear 10-digit LCD readout and simple arithmetic functions including percentage and memory operations, plus dedicated tax and profit calculation keys for fast financial adjustments. Dual power (battery plus solar) reduces downtime and extends battery life. The compact dimensions and lightweight construction make it easy to carry in a pocket or small bag, while the intuitive button layout minimizes input errors during repeated use.
Suitable for
Basic arithmetic and percentage calculations
Simple tax and profit computations for small businesses or retail
Students needing a compact calculator for schoolwork
Everyday personal finance and budgeting tasks
Key specifications
Display: 10-digit LCD
Power: dual power system (solar with battery backup)
Functions: basic arithmetic, percentage, memory operations, tax and profit calculation keys
Design: compact, lightweight pocket-sized housing
Color: black
How to use
Switch on the calculator and enter numbers using the numeric keypad. Use the arithmetic operator keys for addition, subtraction, multiplication and division. For percentage calculations, use the percent key following the number you wish to apply it to. The dedicated tax/profit keys allow you to store and quickly apply a tax rate or calculate profit margins by entering cost and selling prices as described in the product manual. Memory keys let you store, recall and clear intermediate results during multi-step calculations.
Usage recommendations
For reliable operation, ensure the solar panel receives sufficient ambient light; replace the battery when the display becomes faint. Keep the calculator in a protective pocket or case to avoid key wear and protect the display. For precise tax or profit settings, verify the configured rate before applying it to multiple entries.

## Specifications

| Feature | Value |
|---|---|
| Type | Basic |
| Weight | 0.05 kg |
| Form factor | Pocket |
| Power source | Battery/Solar |
| Height | 8.4 mm |
| Width | 70 mm |
| Depth | 118 mm |
| Product colour | Black |
| Digits | 10 digits |
| Digit comma separator | Yes |
| Control type | Buttons |
| Second display | No |
| Display tilting | No |
| Storage media type | Not available |
| Tax calculation | Yes |
| Profit calculation | Yes |
| Cover | No |

## FAQ

### How much does the Basic calculator CASIO SL-310UC-BK cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 44 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Thursday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All CASIO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized CASIO service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4395040/53520450_large.webp