Table of Contents
Introduction
Calculators are an essential tool in many areas of modern life, from education to finance and engineering. The Eric Armin 70845 TI-84 Plus Graphing Calculator is a popular and powerful tool for students, professionals, and anyone in need of a reliable graphing calculator. In this review, we will examine the features, functionality, and overall performance of the Eric Armin 70845 TI-84 Plus Graphing Calculator.
Factors to Consider When Choosing a Calculator
Before delving into the specific features of the Eric Armin 70845 TI-84 Plus Graphing Calculator, it is important to consider the factors that are generally important when choosing a calculator.
Purpose of Use
The purpose for which a calculator is intended is a significant factor to consider when choosing a calculator. Some calculators are designed for basic arithmetic calculations while others, like the Eric Armin 70845 TI-84 Plus Graphing Calculator, are intended for more advanced mathematical computations, such as graphing and statistical analysis.
Ease of Use
The ease of use of a calculator is another critical factor to consider when choosing a calculator. An ideal calculator should be easy to use, with intuitive buttons and a user-friendly interface that is easy to navigate.
Display
The display is an essential component of any calculator, and it is essential to choose a calculator with a clear and easy-to-read display. The size and quality of the display can significantly impact the user experience.
Battery Life
Battery life is an important consideration for anyone who plans to use a calculator regularly. Long battery life means less frequent battery changes or recharges, making it more convenient and practical.
Memory
The memory of a calculator refers to its storage capacity. A calculator with more memory can store more calculations, programs, and data, which can be a significant advantage for users who need to perform complex computations.
Cost
The cost of a calculator is also an important consideration, and it is essential to choose a calculator that offers value for money.
Features of the Eric Armin 70845 TI-84 Plus Graphing Calculator
The Eric Armin 70845 TI-84 Plus Graphing Calculator is a powerful and versatile calculator that is designed for use in a wide range of mathematical applications. Here are some of its key features:
Graphing Functionality
The graphing functionality of the Eric Armin 70845 TI-84 Plus Graphing Calculator is one of its most significant features. It can display graphs of functions, parametric equations, polar equations, and more.
High Resolution Display
The high-resolution display of the Eric Armin 70845 TI-84 Plus Graphing Calculator is another significant feature. It has a large, easy-to-read screen with a resolution of 320 x 240 pixels, which makes it easy to view graphs and calculations.
Built-in USB Port
The calculator has a built-in USB port that makes it easy to transfer data between the calculator and a computer. This feature is especially useful for students who need to transfer their work to a computer for further analysis or presentation.
Memory
The calculator has 480KB of memory, which is enough to store up to 30 applications, 1540 functions, and 2.5 MB of data.
Multiple Functions
The Eric Armin 70845 TI-84 Plus Graphing Calculator can perform many functions, including advanced statistics, finance, calculus, and trigonometry. It also has a built-in clock, a calendar, and a stopwatch.
Battery Life
The calculator uses four AAA batteries, and it has an impressive battery life of up to 30 hours.
Comparison of Product
When comparing the TI-84 Plus to other graphing calculators on the market, some notable options include the Casio fx-9750GII and the HP Prime Graphing Calculator.
The Casio fx-9750GII has a lower price point than the TI-84 Plus and also has a high-resolution display. It comes with a built-in USB port for data transfer and has a memory capacity of 62 KB. However, the Casio model does not have as many advanced features as the TI-84 Plus, such as the ability to create custom programs.
The HP Prime Graphing Calculator is another high-end option that competes with the TI-84 Plus. It has a full-color, multi-touch display and a rechargeable battery with a life of up to a month. The HP Prime also has a built-in memory capacity of 32 MB, which is significantly more than the TI-84 Plus. However, it is more expensive than the TI-84 Plus and may not be necessary for users who do not require such advanced features.
Pros and Cons of TI-84 Plus
Pros:
- Advanced features such as the ability to create custom programs and apps
- Large built-in memory capacity
- High-resolution, backlit display
- Rechargeable battery
- Automatic shut-off feature to conserve battery life
Cons:
- Higher price point compared to some other graphing calculators
- Complex functions may take some time to learn and fully utilize
- May have more advanced features than necessary for some users
Conclusion
Overall, the Eric Armin 70845 TI-84 Plus Graphing Calculator is an excellent option for students, teachers, and professionals who require a high-quality, advanced calculator for their work. While it may have a higher price point than some other options on the market, its advanced features and capabilities make it well worth the investment. However, users who do not require such advanced features may find that a lower-priced calculator such as the Casio fx-9750GII will meet their needs just as effectively.
Eric Armin 70845 TI-84 Plus Graphing Calculator: Buy it now