# Desktop calculator Donau TECH OFFICE K-DT5161-01 — 16-digit display, dimensions 201×155×35 mm, black

**URL:** https://aio.lv/en/product--donau-k-dt5161-01--11799793
**Data updated:** 2026-03-09 07:36 (EET)
**Category:** Calculators
**Manufacturer:** Donau
**Manufacturer code:** K-DT5161-01
**EAN:** 5901503622964
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 13.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-k-dt5161-01--11799793

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Donau TECH OFFICE desktop calculator K-DT5161-01 is a black office calculator with a 16-digit display and compact dimensions of 201×155×35 mm. Designed for general office use, it performs basic and extended arithmetic operations, supports large-number entry and clear visual readout. Suitable for accounting, invoicing and daily calculations in business environments.

## Long description

Donau TECH OFFICE K-DT5161-01 is a compact desktop calculator in black with a 16-digit display and physical dimensions of 201×155×35 mm. It is designed for everyday office use, offering clear numeric readouts and reliable arithmetic processing for tasks such as accounting, invoicing and routine financial calculations. The device combines a space-efficient footprint with a large-format display to support entry and verification of long numbers.
Advantages
This desktop calculator provides a 16-digit display that allows viewing extended numbers without scrolling, reducing input errors when working with large figures. Its compact housing measures 201×155×35 mm, making it suitable for limited-desk spaces while maintaining a keypad layout optimized for frequent numeric entry. The black finish is resistant to visible soiling and blends with most office environments. The unit supports standard and extended arithmetic functions required for common business calculations.
Suitable for
Accounting and bookkeeping tasks that require clear presentation of multi-digit figures
Invoicing and billing where large totals and subtotals are calculated
Daily financial and administrative calculations in offices and small businesses
Quick verification of sums, percentages and basic arithmetic operations
Key specifications
Display: 16-digit numeric display for long-number visibility
Dimensions: 201 × 155 × 35 mm for compact desktop placement
Color: black housing with a clear visual contrast on keys and display
Functionality: basic and extended arithmetic operations suitable for office use
How to use
Place the calculator on a stable, level surface within easy reach on your desk. Enter numbers using the keypad and perform additions, subtractions, multiplications and divisions using the corresponding function keys. Use the clear and correction keys to adjust entries as needed and verify results on the 16-digit display before recording totals in documents or accounting software. Power and memory functions, if present on the model, should be used following on-device labels.
Usage recommendations
For reliable operation, avoid exposing the calculator to liquids, direct sunlight or extreme temperatures. Keep the keypad free of dust and debris to maintain tactile response. When transporting, protect the device from impacts to preserve the display alignment and internal components.

## FAQ

### How much does the Donau TECH OFFICE K-DT5161-01 desktop calculator cost, and is it available for purchase?

The price is 15.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 849 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 15.07.2026 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/11799793/67201168_large.webp