# Scientific Calculator Donau TECH with 417 Functions, Size 164×84×19 mm, Black

**URL:** https://aio.lv/en/product--donau-k-dt6002-01--12041819
**Data updated:** 2026-03-12 19:23 (EET)
**Category:** Calculators
**Manufacturer:** Donau
**Manufacturer code:** K-DT6002-01
**EAN:** 5901498125693
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 19.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-k-dt6002-01--12041819

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Donau TECH scientific calculator offering 417 functions in a compact housing (164×84×19 mm). Designed for mathematical, engineering and scientific calculations, it supports a wide range of operations such as trigonometry, statistics, fractions and exponential/logarithmic functions. Portable black design suitable for school, university and professional use.

## Long description

Donau TECH scientific calculator with 417 functions in a compact black housing (164×84×19 mm) provides a wide range of capabilities for mathematical, engineering and scientific calculations. The device supports trigonometric, statistical, fractional, exponential and logarithmic operations and is sized for portability while retaining a full function set needed for classroom and professional tasks.
Advantages
The Donau TECH delivers an extensive function set in a compact form factor, combining scientific and statistical operations with fraction handling and advanced algebraic functions. Its black, slim casing and portable dimensions make it convenient to carry between school, university and workplace. The clear key layout and labelled operation modes reduce input errors and improve workflow when performing multi-step calculations.
Suitable for
 High school and university mathematics courses
 Engineering and technical problem solving
 Statistics and data analysis tasks
 Laboratory and field calculations requiring portability
 Everyday scientific computation and homework
Key specifications
 Number of functions: 417 scientific and statistical functions
 Dimensions: 164 × 84 × 19 mm (compact, portable housing)
 Color: black casing for reduced glare and professional appearance
 Function coverage: trigonometry, statistics, fractions, exponential and logarithmic operations
 Input: tactile keys with labelled operation modes for multi-step calculations
How to use
Turn the calculator on and select the required operating mode for the task (for example degree/radian for trigonometric work or the statistical mode for data analysis). Enter expressions using the labelled keys and function menus; use fraction and parenthesis keys for precise expression grouping. For multi-step problems, perform intermediate calculations and store or recall values if the device supports memory functions. Refer to the printed key legends for accessing advanced functions such as inverse trigonometric, hyperbolic, and power/exponential operations.
Usage recommendations
For consistent results, verify angle mode (degrees or radians) before trigonometric calculations and clear prior memory or modes when switching between algebraic and statistical tasks. Carry the calculator in a protective sleeve to prevent key wear and keep the display clean for reliable visibility.

## FAQ

### How much does the Donau TECH scientific calculator — 417 functions cost, and is it available for purchase?

The price is 23.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3793 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 13.07.2026 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/12041819/67528851_large.webp