# Desktop calculator Donau Tech Office K-DT5122-01, 12-digit display, 201×155×35 mm, black

**URL:** https://aio.lv/en/product--donau-k-dt5122-01--11799936
**Data updated:** 2026-03-09 07:36 (EET)
**Category:** Calculators
**Manufacturer:** Donau
**Manufacturer code:** K-DT5122-01
**EAN:** 5901503622902
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-k-dt5122-01--11799936

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

Donau Tech Office desktop calculator model K-DT5122-01 features a 12-digit display and compact dimensions of 201×155×35 mm in black. Designed for office and home use, it handles basic arithmetic, percentage and memory functions. Its clear numeric display and full-size keypad suit bookkeeping, invoicing and everyday calculations.

## Long description

Donau Tech Office K-DT5122-01 is a desktop calculator with a 12-digit display and compact dimensions of 201×155×35 mm in a black finish. Designed for straightforward arithmetic tasks, it provides basic calculation functions including percentage and memory operations, and features a clear numeric display combined with a full-size keypad suitable for routine office and home use.
Advantages
The calculator offers a large 12-digit visual readout for multi-digit numbers and totals, a full-size keypad for accurate keying and reduced input errors, and a slim footprint that fits on crowded desks. Its simple function set — basic arithmetic, percentage and memory keys — keeps operation intuitive without unnecessary complexity. The black casing is easy to maintain and the display contrast supports quick number recognition.
Suitable for
 Everyday bookkeeping and accounting tasks
 Invoice preparation and price calculations
 Schoolwork and study involving arithmetic
 Small business point-of-sale and cash handling
 Home budgeting and financial planning
Key specifications
 Display: 12-digit numeric LCD
 Dimensions: 201 × 155 × 35 mm (length × width × height)
 Color: black housing
 Keypad: full-size numeric and function keys
 Functions: addition, subtraction, multiplication, division, percentage, memory operations
How to use
Place the calculator on a flat surface within comfortable reach. Use the full-size numeric keypad to enter numbers and the arithmetic function keys to perform calculations. For percentage calculations, input the base number, press the percentage key and then the arithmetic operator as required. Use memory keys to store, recall or clear intermediate values during multi-step calculations. The large 12-digit display shows results and running totals for verification before recording or printing results elsewhere.
Usage recommendations
Keep the device away from liquids and extreme temperatures. Clean the housing and keys with a soft, dry cloth; avoid abrasive cleaners. Replace batteries or ensure the power source is checked periodically to maintain consistent display brightness and reliable operation.

## FAQ

### How much does the Donau Tech Office K-DT5122-01 desktop calculator cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4324 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 21.07.2026 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/11799936/67201336_large.webp