# Scientific calculator VECTOR KAV DK-137 — handheld basic scientific functions

**URL:** https://aio.lv/en/product--vector-k-vdk137--10999067
**Data updated:** 2026-03-07 18:12 (EET)
**Category:** Calculators
**Manufacturer:** VECTOR
**Manufacturer code:** K-VDK137
**EAN:** 5904329451930
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--vector-k-vdk137--10999067

## 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 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

VECTOR KAV DK-137 is a handheld scientific calculator by VECTOR designed for general-purpose calculations. It offers standard scientific functions such as trigonometry, logarithms and power calculations, a multi-line display for expression input and result review, and basic memory operations. Suitable for students and professionals for classroom, homework and everyday technical calculations.

## Long description

VECTOR KAV DK-137 — handheld basic scientific functions is a compact scientific calculator designed for general-purpose calculations. It provides standard scientific operations including trigonometric functions, logarithms, exponentiation and power calculations, along with a multi-line display that allows entry review and result comparison. The device supports basic memory operations and a clear numeric keypad for straightforward input, making it suitable for classroom use, homework and everyday technical tasks.
Advantages
The calculator combines common scientific functions in a portable handheld form factor, enabling accurate computations without requiring a computer or smartphone. A multi-line display simplifies tracking of expressions and previous results. Basic memory features speed up repetitive calculations while a clear layout reduces input errors. Low power consumption extends battery life for prolonged use in study or field settings.
Suitable for
 Students studying mathematics, physics or engineering
 School and university homework and exams where basic scientific functions are permitted
 Everyday technical calculations for technicians and hobbyists
 Quick on-site measurements and formula checks
Key specifications
 Function set: trigonometry, logarithms, exponentiation and power functions
 Display: multi-line display for input and results
 Memory: basic memory operations (store, recall, clear)
 Input: tactile numeric and function keypad
 Power: battery-operated with low power consumption
 Form factor: handheld, portable design
How to use
Turn on the calculator and use the numeric keypad to enter values and operators. Use the dedicated function keys for trigonometric, logarithmic and power calculations; the multi-line display shows the entered expression and the computed result. Use memory keys to store intermediate values and recall them for further calculations. Clear or reset the current entry using the CE/C keys as needed. Follow standard mathematical notation when entering expressions to ensure correct evaluation.
Usage recommendations
For reliable results, replace the battery when display dimness or input lag appears. Use the calculator on a stable surface and avoid exposure to moisture or extreme temperatures. Consult classroom or exam rules to confirm whether this model is allowed during tests.

## FAQ

### How much does the Scientific calculator VECTOR KAV DK-137 cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 41 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 VECTOR 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 VECTOR 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/10999067/61641215_large.webp