# Scientific Calculator Notebook with LED, Stylus, Solar-Powered, Lean model 5905991059684

**URL:** https://aio.lv/en/product--lean-5905991059684--12079462
**Data updated:** 2026-03-12 21:58 (EET)
**Category:** Calculators
**Manufacturer:** Lean
**Manufacturer code:** 5905991059684
**EAN:** 5905991059684
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lean-5905991059684--12079462

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Handheld scientific calculator styled as a notebook, brand Lean (model 5905991059684). Features an LED display and includes a stylus for input. Powered by solar cells (battery-free operation under light). Suitable for scientific and engineering calculations, school and university use, and on-the-go note-taking where compact calculator functions and touchscreen-like input are needed.

## Long description

The Lean scientific calculator notebook with LED and stylus is a compact handheld device that combines calculator functions with a notebook-like input surface. The unit features an LED display for clear numeric readout and a stylus for precise entry, allowing quick navigation and written input. Solar cells provide power from ambient light, eliminating the need for replaceable batteries and enabling continuous operation in well-lit environments. The design is intended for portability and practical use in educational and professional settings.
Advantages
The device offers a combination of scientific calculation capabilities and a stylus-based input area in a slim, notebook-style form factor. The LED display ensures readable output in various lighting conditions while the solar power source reduces maintenance by removing battery replacement. The stylus improves precision when selecting functions or entering characters, and the compact dimensions support easy transport between classes, meetings, or fieldwork.
Suitable for
Students in secondary school and university performing algebra, trigonometry, and calculus tasks
Engineers and technicians needing a portable scientific calculator for on-site calculations
Anyone requiring a small, battery-free calculator with stylus input for quick notes and numeric entry
Key specifications
Form factor: handheld, notebook-style layout with integrated stylus input area
Display type: LED numeric display for crisp readout
Power source: solar cells for battery-free operation in ambient light
Input: stylus for precise selection and handwriting-like entry
Functions: scientific calculation modes suitable for algebra, trigonometry, and basic calculus operations
Portability: slim, lightweight construction for easy carrying
How to use
Place the calculator in a well-lit environment so the solar cells can provide sufficient power. Use the stylus to select mode functions, enter numbers, and navigate menus or the notebook input area. Perform calculations using the scientific function keys and verify results on the LED display. Store the stylus in its holder or compartment when not in use to avoid loss and keep the input surface clean for reliable operation.
Usage recommendations
For best performance, operate the device under direct or strong ambient light and avoid prolonged storage in dark conditions. Clean the input surface gently with a soft, dry cloth and avoid using abrasive materials. Keep the stylus in its designated slot to maintain readiness for quick input.

## FAQ

### How much does the Lean scientific calculator notebook 5905991059684 cost, and is it available for purchase?

The price is 18.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 06.07.2026 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 Lean 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 Lean 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/12079462/67563712_large.webp