Scientific calculator CASIO FX991CEX

Name: Scientific calculator CASIO FX991CEX with FX991CEX
Brand: CASIO
SKU: 1072968
Price: 42.49 EUR
Availability: InStock

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Scientific calculator CASIO FX991CEX with 2-line display, solar power

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Short description

CASIO FX991CEX is a scientific calculator featuring a 2-line display and solar power supply. Designed for advanced calculations, it supports common scientific functions needed in education and technical work. Portable and straightforward to use, it suits students and professionals for solving equations, trigonometry, logarithms and other routine scientific tasks.

Available for order: 1 pcs.

Warranty: 2 Years

SKU: 1072968

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

26.06.2026 {{selectedOffer.officeDeliveryString}}

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

26.06.2026 {{selectedOffer.officeDeliveryString}}

free

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From 4.99 € (Weight: 0.40 kg)

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From 1.99 €

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Payment Methods:

Bank transfer, Bank cards on-line, Apple Pay, Google Pay

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Product information

Description

CASIO FX991CEX is a scientific calculator with a 2-line display and solar power operation, designed to perform advanced mathematical and scientific calculations. The two-line layout lets you view expressions and results simultaneously, improving accuracy when entering complex formulas. The calculator provides a compact, portable form factor suitable for classroom use, exams where allowed, homework and technical tasks that require standard scientific functions.

Advantages

The FX991CEX combines a clear two-line display with solar power backup to extend battery life and offer reliable operation in well-lit environments. It supports a wide range of built-in functions commonly used in secondary and tertiary education, including trigonometric, logarithmic, exponential, statistical and matrix operations. The keypad layout and function labels are designed for straightforward entry of multi-step expressions, reducing input errors and speeding calculations.

Suitable for

High school and university mathematics courses
Engineering and technical coursework
Physics and chemistry problem solving
Statistical analysis and basic matrix calculations
Everyday scientific and engineering calculations

Key specifications

Display: 2-line screen showing expression and result
Power: solar panel with battery backup
Functions: trigonometric, logarithmic, exponential, fractional, permutation/combination, statistical and matrix operations
Input: multi-step expression entry with clear function keys
Portability: compact handheld design suitable for desk or field use

How to use

Turn on the calculator and use the two-line display to enter expressions in natural order; the top line shows the formula while the bottom line displays the calculated result. Select function keys for trigonometry, logarithms, powers, roots, fractions or statistical modes as needed. Where applicable, switch modes (angle unit, display format, statistical mode) before entering data to ensure correct interpretation of inputs. Use memory and replay features to edit previous entries or reuse values in subsequent calculations.

Usage recommendations

Ensure adequate ambient light for optimal solar power performance; store the calculator away from excessive heat or moisture. For exam use, verify allowed calculator models and disable any non-permitted features if required by the testing body.

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Customer questions

FAQ

How much does the Scientific calculator CASIO FX991CEX cost, and is it available for purchase?

The price is 42.49 € (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 26.06.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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