# Scientific calculator CASIO FX-85ES-S PLUS — 12‑digit, 252 functions, battery/solar, black, pocket size

**URL:** https://aio.lv/en/product--casio-fx-85esplus-2-box--10863138
**Data updated:** 2026-01-21 11:03 (EET)
**Category:** Calculators
**Manufacturer:** CASIO
**Manufacturer code:** FX-85ESPLUS-2 BOX
**EAN:** 4549526612046
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 23.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--casio-fx-85esplus-2-box--10863138

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

CASIO FX-85ES-S PLUS is a scientific calculator with a 12‑digit dot‑matrix display, offering 252 built‑in functions for algebra, trigonometry, statistics and more. Pocket-sized (77 × 161.5 × 13.8 mm) and weighing 105 g, it runs on LR44 battery with solar assist. Button control and compact form factor make it suitable for school, university and field calculations.

## Long description

The Casio FX-85ES-S PLUS is a scientific calculator with a 12-digit display that combines battery and solar power for continuous operation. Designed for students and professionals, this model offers a clear natural textbook display for fractions, roots and mathematical expressions, enabling easier interpretation of complex calculations. The compact black housing provides a durable feel while keeping essential scientific functions accessible through a logical keypad layout.
Advantages
The dual power system (battery with solar assist) ensures reliable performance in varied lighting conditions and extends operational life. A 12-digit LCD provides the precision needed for engineering, physics and advanced mathematics tasks. The Natural Textbook Display presents formulas and results in familiar notation, reducing input and reading errors. Sturdy construction and a slip-resistant key design support frequent daily use without compromising accuracy.
Suitable for
Secondary school and university mathematics courses
Engineering and physics problem solving
Standardized exams that permit scientific calculators
Laboratory calculations and technical field work
Key specifications
Display: 12-digit Natural Textbook Display for expressions and results
Power: Battery with solar backup for extended operation
Functions: Wide range of scientific functions including trigonometry, logarithms, powers, roots, fractions and statistics
Design: Compact, lightweight black casing with tactile keys
Input: Multi-line entry and editing capabilities for complex expressions
How to use
Turn the calculator on and enter expressions using the keypad; the Natural Textbook Display shows fractions, roots and powers as they appear in printed materials. Use the dedicated function keys for trigonometric and logarithmic calculations, and the fraction and root keys to enter algebraic expressions accurately. Switch between degree and radian modes where appropriate, and use the memory and replay functions to review or correct previous entries. Power is managed automatically between battery and solar input, so keep the front sensor exposed to light for optimal solar assistance.
Usage recommendations
For consistent performance, store the calculator in a dry place and avoid prolonged exposure to extreme temperatures. Replace the battery when on-screen prompts indicate reduced power, and keep the solar panel clean to maximize auxiliary charging.

## Specifications

| Feature | Value |
|---|---|
| Type | Scientific |
| Form factor | Desktop |
| Power source | Battery/Solar |
| Product colour | Black |
| Digits | 12 digits |
| Battery life | 3 year(s) |
| Control type | Buttons |
| Auto power off | Yes |
| Housing material | Plastic |
| Display type | Dot-matrix |
| Keys quantity | 47 keys |
| Symbolic notation | Fraction, Square root, Pi |
| Exact/decimal approximation switch | Yes |
| Conversion between | Percent, Fraction, Decimal |
| Automatic simplification of fractions | Yes |
| Negation key | Yes |
| Convert angles from degrees to | Radian, Gradian |
| x10n key | Yes |
| Cover | Yes |

## FAQ

### How much does the CASIO FX-85ES-S PLUS scientific calculator cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 79 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 02.07.2026 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 CASIO 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 CASIO 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/10863138/60256722_large.webp