# Basic calculator CASIO SL-310UC-BU — pocket solar, 10 digits, 29 keys, LR54 battery, blue

**URL:** https://aio.lv/en/product--casio-sl-310uc-bu-box--5070523
**Data updated:** 2026-01-21 10:59 (EET)
**Category:** Calculators
**Manufacturer:** CASIO
**Manufacturer code:** SL-310UC-BU BOX
**EAN:** 4549526612817
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-14 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-bu-box--5070523

## 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

CASIO SL-310UC-BU is a basic pocket calculator with a 10-digit single-line display and 29 keys. It combines solar power with LR54 battery backup, a plastic ergonomic housing and compact dimensions (118×70×8 mm, 50 g). Supports percent, tax and profit calculations, square root and digit comma separators — suitable for everyday arithmetic, shopping and quick office tasks.

## Long description

The Casio SL-310UC-BU Pocket Blue is a compact basic calculator with a 10-digit single-line display designed for everyday arithmetic and simple financial tasks. Its dual power source—solar panel with battery backup—ensures uninterrupted operation in various lighting conditions. The slim, pocket-sized design and tactile keys make it convenient to carry and use for on-the-go calculations.
Advantages
This Casio calculator provides reliable basic arithmetic functions alongside dedicated tax and profit calculation modes, reducing manual steps for business-related sums. The 10-digit display presents results clearly while the solar/battery power system extends operating time and reduces the need for frequent battery changes. Lightweight construction and a compact footprint allow easy storage in a pocket, purse, or briefcase.
Suitable for
 Quick arithmetic and daily calculations
 Small business tax and profit estimations
 Students needing a simple calculator for homework and study
 Portable use during travel, meetings, or fieldwork
Key specifications
 Display: 10-digit single-line LCD
 Power: Solar cell with battery backup for low-light conditions
 Functions: Basic arithmetic, tax calculation, profit calculation
 Design: Pocket-sized form factor with tactile keys
 Color: Blue casing
How to use
Turn the calculator on and use the numeric and function keys to perform standard arithmetic operations. Use the dedicated tax and profit function keys to enter rates and compute inclusive or exclusive amounts according to on-device prompts. The solar cell will power the device in sufficient light, while the battery automatically supplies power when light is insufficient. Refer to on-button labels for clearing entries and correcting input errors.
Usage recommendations
Place the calculator in a well-lit area to maximize solar operation and reduce battery use. For consistent performance, avoid exposing the device to extreme temperatures or moisture. Store the calculator in a protective pocket or case to prevent key wear and surface scratches when carried with other items.

## Specifications

| Feature | Value |
|---|---|
| Type | Basic |
| Weight | 0.05 kg |
| Form factor | Pocket |
| Battery type | LR54 |
| Number of batteries supported | 1 |
| Power source | Battery/Solar |
| Height | 8 mm |
| Width | 70 mm |
| Depth | 118 mm |
| Backlight display | No |
| Product colour | Blue |
| Digits | 10 digits |
| Digit comma separator | Yes |
| Control type | Buttons |
| Display number of lines | 1 lines |
| Second display | No |
| Easy-to-read display | Yes |
| Housing material | Plastic |
| Ergonomic design | Yes |
| Display tilting | No |
| Storage media type | Not available |
| Keys quantity | 29 keys |
| Tax calculation | Yes |
| Profit calculation | Yes |
| Symbolic notation | Square root |
| Conversion between | Percent |
| Cover | No |

## FAQ

### How much does the CASIO SL-310UC-BU basic pocket calculator 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 — 27 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/5070523/53520795_large.webp