Casio FX-991ES Plus-2nd Edition Scientific Calculator

Casio FX-991ES Plus — 2nd Edition (B0846D5CBP) is a precision scientific calculator designed to eliminate calculation anxiety for students and professionals. With Natural Textbook Display and 417 functions, it handles algebra, calculus, matrices, statistics and engineering tasks with speed and clarity. Multi-Replay lets you review and edit steps instantly while the ergonomic keys and matte finish offer comfortable, fatigue-free use. Backed by a 1-year manufacturer warranty and Vlebazaar’s trusted after-sales support, authentic sourcing and reliable delivery, it delivers practical performance and confidence for everyday study and high-pressure assessments.

Top Features

• Natural Textbook Display — reads like your textbook for instant comprehension and fewer errors
• 417 Built-in Functions — covers algebra, calculus, matrices, complex numbers and statistics
• Multi-Replay Function — fast review and edit of previous entries for accurate corrections
• Numeric Integration & Differentiation — tackles calculus problems with reliable precision
• Matrix & Vector Calculations — robust handling for engineering and higher maths
• Two-Way Power (Solar + Battery) — continuous operation with long-lasting reliability
• Ergonomic Keys & Slim Profile — comfortable typing and pocket-friendly portability
• Durable Build & Protective Hard Case — solid feel and secure storage for daily use
• Clear Visual Output — high-contrast display improves readability in all lighting
• Non-programmable Design — ideal for exam-allowed environments where programmability is restricted

Technical Specifications

Why Buy From Vlebazaar?

Vlebazaar ensures genuine Casio products with verified sourcing and clear warranty fulfilment. Expect reliable delivery, secure packaging, and responsive customer support for setup or warranty claims. Our product listings include accurate specifications, authentic images and timely updates — trusted by thousands of students and professionals. Purchase confidence is backed by easy returns for defective items and prompt assistance from our support team when you need it.

Who Should Buy This?

• High-school and college students preparing for advanced maths and science
• Engineering and architecture students needing matrix and calculus tools
• Teachers and tutors seeking a reliable classroom calculator
• Lab technicians and professionals who require precise numeric computation
• Anyone needing a durable, exam-appropriate scientific calculator

Smart FAQs

Is the FX-991ES Plus allowed in exams?

Many standardized exams permit non-programmable scientific calculators like the FX-991ES Plus, but policies vary—please confirm with your exam authority before use.

How long does the battery last?

With two-way power (solar plus a backup button cell), typical everyday use lasts many months to years for the backup cell depending on usage and lighting conditions.

Can it perform symbolic algebra or CAS operations?

The FX-991ES Plus performs advanced numeric and algebraic functions (equation solving, numeric integration/differentiation) but is not a CAS (symbolic algebra system).

What should I do if my unit has a fault?

Contact Vlebazaar support for troubleshooting and warranty assistance. We facilitate warranty claims and can guide you through returns or repairs under the manufacturer warranty terms.

Does it handle matrices and vectors?

Yes — the calculator supports matrix and vector operations suitable for engineering and higher mathematics coursework.

How do I reset the calculator?

A reset option is available in the manual; typical resets involve using the reset button or following the power-on reset sequence. Refer to the supplied user guide for step-by-step instructions.