# Desktop calculator Eleven CT666N — 12-digit, solar powered, black

**URL:** https://aio.lv/en/product--eleven-kalct666n-eleven--11338072
**Data updated:** 2026-02-14 19:42 (EET)
**Category:** Calculators
**Manufacturer:** Eleven
**Manufacturer code:** KALCT666N Eleven
**EAN:** 5904966860089
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 20.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eleven-kalct666n-eleven--11338072

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Eleven CT666N is a desktop calculator with a 12-digit display and solar power supply. Housed in a compact black casing, it supports basic arithmetic operations and is suitable for everyday home, office and school use. The solar operation reduces battery dependence, making it a convenient choice for continuous simple calculations and quick accounts.

## Long description

Eleven CT666N — 12-digit, solar powered, black is a compact desktop calculator designed for everyday arithmetic tasks. The device features a 12-digit display and a solar power supply that reduces dependency on replaceable batteries. Housed in a black casing, it supports basic functions needed for home, school and office calculations and provides a straightforward interface for quick numeric input and results.
Advantages
The calculator’s 12-digit display allows viewing larger numbers and simple calculations without scrolling. Solar power ensures extended operation in well-lit environments and minimizes the need for frequent battery replacement. The compact black housing offers a space-saving footprint for desktops or study tables, while the layout focuses on essential arithmetic operations for fast, reliable use.
Suitable for
Basic home budgeting and household calculations
School assignments and classroom use
Everyday office arithmetic and quick checks
Retail or small business point-of-sale checks and totals
Key specifications
Display: 12-digit numeric display
Power supply: solar powered
Color: black casing
Form factor: desktop calculator with compact footprint
Functions: basic arithmetic operations (addition, subtraction, multiplication, division)
How to use
Place the calculator in a well-lit area to ensure the solar cell receives sufficient light for operation. Enter numbers and arithmetic operators using the keypad, then press the equals key to obtain results. For continuous use in low-light conditions, supplement with an appropriate battery if available for this model. Clean the surface periodically with a dry, soft cloth to remove dust and maintain visibility of the display.
Usage recommendations
For reliable solar operation, position the calculator under natural or strong artificial light during extended use. Avoid exposure to direct sunlight for prolonged periods to prevent heat-related damage to the casing or internal components. Store the device in a dry environment when not in use.

## FAQ

### How much does the Eleven CT666N desktop calculator — 12-digit solar cost, and is it available for purchase?

The price is 24.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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 16.07.2026 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 Eleven 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 Eleven 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/11338072/65639248_large.webp