# Pocket calculator Centrum 83405, compact 105×56×10 mm, includes button cell battery

**URL:** https://aio.lv/en/product--centrum-83405--11799899
**Data updated:** 2026-03-09 07:36 (EET)
**Category:** Calculators
**Manufacturer:** Centrum
**Manufacturer code:** 83405
**EAN:** 4030969834053
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-10 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--centrum-83405--11799899

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Centrum 83405 is a pocket calculator designed for basic arithmetic and everyday calculations. Its compact housing measures 105×56×10 mm and the unit is supplied with a button cell battery. The calculator is suitable for students, office use or personal finance tasks where a small, portable numeric device is required.

## Long description

Centrum 83405 is a compact pocket calculator designed for everyday arithmetic and simple calculations. The unit measures 105×56×10 mm and features a basic keypad and clear display suitable for quick numeric input. The calculator is supplied with a button cell battery, making it ready for immediate use and easy to carry in a pocket, bag or school case.
Advantages
This pocket calculator combines compact dimensions and straightforward functionality, offering reliable performance for basic addition, subtraction, multiplication and division. Its small size and lightweight construction make it convenient for mobile use, while the included button cell battery removes the need for an immediate additional purchase. The simple layout supports fast, error-minimising entry for routine calculations.
Suitable for
 Students for classroom arithmetic and homework
 Office staff for quick desk calculations and checks
 Personal finance tasks such as budgeting and expense tallying
 On-the-go use when a compact, portable calculator is needed
Key specifications
 Dimensions: 105 × 56 × 10 mm
 Form factor: pocket/compact calculator
 Power supply: included button cell battery
 Function set: basic arithmetic (addition, subtraction, multiplication, division)
 Input: physical keypad
 Display: single-line numeric display
 Weight: lightweight, designed for portability
How to use
Switch on the calculator using the power key and verify battery installation if necessary. Enter numbers using the keypad and perform calculations with the arithmetic function keys. Results appear on the numeric display. When finished, switch the device off to preserve battery life or rely on any automatic power-saving feature if present. Replace the button cell battery according to the manufacturer’s guidance when the display becomes dim or the device fails to power on.
Usage recommendations
Keep the calculator in a protective pocket or case to avoid keypad damage and to extend service life. Store and replace the supplied button cell battery in accordance with local disposal regulations. For regular daily use in study or office environments, verify that the compact display and basic function set meet your calculation needs before purchase.

## FAQ

### How much does the Pocket calculator Centrum 83405 cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 87 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 03.07.2026 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 Centrum 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 Centrum 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

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