# Desktop calculator Donau K-DT4081-01 — 8-digit display, 134×104×17 mm, black

**URL:** https://aio.lv/en/product--donau-k-dt4081-01--11799937
**Data updated:** 2026-03-09 07:36 (EET)
**Category:** Calculators
**Manufacturer:** Donau
**Manufacturer code:** K-DT4081-01
**EAN:** 5901503615812
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 8.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-k-dt4081-01--11799937

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Donau desktop calculator K-DT4081-01 is a basic office calculator with an 8-digit display and compact housing sized 134×104×17 mm. Designed for everyday arithmetic and bookkeeping tasks, it provides quick numeric input and clear results. The black casing suits office environments and small workspaces where space-saving calculation tools are required.

## Long description

Donau K-DT4081-01 desktop calculator is a compact, entry-level calculator designed for everyday arithmetic and basic bookkeeping tasks. Its 8-digit display delivers clear numerical results while the slim black housing with dimensions 134×104×17 mm fits easily on crowded desks or in small workspaces. The device focuses on straightforward numeric input and visible output for routine office calculations.
Advantages
The calculator offers a balance of compact size and clear readability, making it suitable for prolonged use in limited spaces. The 8-digit display ensures numbers are presented legibly for simple accounting and quick calculations. The lightweight build and straightforward controls reduce setup time and user training, while the neutral black finish integrates with most office environments.
Suitable for
 Basic arithmetic operations in offices and home workstations
 Simple bookkeeping and cash handling tasks
 Students needing a compact calculator for everyday exercises
 Retail or reception desks where space is limited
Key specifications
 Display: 8-digit numeric display for standard calculations
 Dimensions: 134 × 104 × 17 mm for a slim desktop footprint
 Color: black casing suitable for professional settings
 Form factor: desktop calculator with straightforward keypad layout
 Primary functions: basic arithmetic and bookkeeping operations
How to use
Place the calculator on a flat surface and angle it for comfortable viewing. Use the numeric keypad to enter values and the operation keys for addition, subtraction, multiplication and division. Results appear on the 8-digit display. For routine bookkeeping, enter figures sequentially and verify each entry on the screen before proceeding. The slim housing allows the device to remain on the desk for frequent, quick access.
Usage recommendations
For best visibility, position the calculator under good lighting and avoid placing it near strong glare. Use it for tasks that do not require advanced functions or very large numbers beyond eight digits; for such needs, consider a model with an extended display and additional features. Regularly clean the keys and display with a soft, dry cloth to maintain clear readability and reliable key response.

## FAQ

### How much does the Donau K-DT4081-01 desktop calculator 8-digit cost, and is it available for purchase?

The price is 10.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 22.07.2026 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 Donau 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 Donau 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/11799937/67201337_large.webp