Why FX 991EX Discontinued

Casio is a brand known for its innovative calculators that have become indispensable tools for students, engineers, and professionals. The FX 991EX calculator, in particular, was a widely popular model that offered advanced functions and features. However, Casio announced the discontinuation of the FX 991EX, leaving many users wondering about the reasons behind this decision. In this article, we will delve into the factors that led to the discontinuation of the FX 991EX and explore the implications for users.

Understanding the FX 991EX

The Casio FX 991EX was a graphing calculator that provided users with enhanced capabilities for plotting graphs, solving equations, and performing complex mathematical operations. It was particularly popular among students who needed a reliable and feature-rich calculator for their studies. The FX 991EX stood out for its user-friendly interface, intuitive navigation, and a wide range of built-in functions.

Factors Contributing to Discontinuation

1. Evolving Technological Landscape

The world of technology is constantly evolving, and the calculator industry is no exception. Advancements in technology have led to the development of new and more powerful calculators that offer a broader range of capabilities. These advancements may have prompted Casio to discontinue the FX 991EX in favor of newer models that better align with current technological trends.

2. Shift in Educational Requirements

Educational institutions have evolved their curricula and requirements over time. Changes in the educational landscape may have influenced Casio's decision to discontinue the FX 991EX. The calculator's features and functionalities may no longer fully align with the updated educational standards and the evolving needs of students.

3. Market Saturation

The calculator market is highly competitive, with several brands and models vying for consumers' attention. Casio may have decided to discontinue the FX 991EX due to market saturation. By focusing on newer models, Casio may aim to gain a competitive edge and cater to a broader customer base.

Implications for Users

1. Limited Availability

The discontinuation of the FX 991EX means that it will become increasingly difficult to find new units of this calculator in the market. Users who rely on the FX 991EX may face challenges in replacing or acquiring additional units.

2. Compatibility Issues

Some users may have developed workflows and study materials specifically designed for the FX 991EX. Discontinuing this calculator may disrupt their established routines and require them to adapt to newer models, potentially leading to compatibility issues.

3. Need for Transition

Users who have become accustomed to the features and functionality of the FX 991EX will need to transition to a new calculator model. This transition may involve a learning curve and a period of adjustment as they become familiar with the new device's interface and features.


The discontinuation of the Casio FX 991EX calculator is a result of various factors, including the evolving technological landscape, changing educational requirements, and market saturation. While the FX 991EX may no longer be available as a new product, it has left a lasting impact on the calculator industry and continues to be a valuable tool for many users. As technology continues to advance, we can expect Casio and other brands to introduce new models that meet the evolving needs of users, providing even more powerful and versatile calculators.

Frequently Asked Questions

1. Can I still find the FX 991EX calculator in the market?

Depending on your location and the availability of existing stock, you may be able to find new or used units of the FX 991EX calculator through online retailers or specialized stores.

2. What are some alternatives to the FX 991EX calculator?

Casio and other brands offer a range of graphing calculators that provide similar or enhanced features to the FX 991EX. Some popular alternatives include the Casio FX-9860GII, the Texas Instruments TI-84 Plus CE, and the Hewlett-Packard HP Prime Graphing Calculator.

3. How can I transition from the FX 991EX to a new calculator model?

To transition smoothly, consider choosing a calculator model with a similar interface and feature set to the FX 991EX. Additionally, taking some time to familiarize yourself with the new calculator's manual and online resources can help you navigate the transition effectively.

4. Will the discontinuation of the FX 991EX affect my studies or work?

The impact of the discontinuation will depend on your specific requirements and the extent to which you rely on the FX 991EX. It is important to consider whether a newer model can fulfill your needs or if there are alternative options available.

5. Where can I find more information about the discontinuation of the FX 991EX?

Casio's official website, as well as technology news outlets and online communities dedicated to calculators, are good sources of information regarding the discontinuation of the FX 991EX. Additionally, you can reach out to Casio's customer support for further inquiries.



Leave a Reply

Your email address will not be published. Required fields are marked *

Please type the characters of this captcha image in the input box

Please type the characters of this captcha image in the input box

Please type the characters of this captcha image in the input box

Please type the characters of this captcha image in the input box