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Texas Instruments TI-84 Plus Graphics Calculator, Black (Renewed)

4.9 (8) Write Review

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$84.44

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About this item

Real and complex numbers calculated to 14-digit accuracy and displayed with 10 digits plus a 2-digit exponent. Graphs 10 rectangular functions, 6 parametric expressions, 6 polar expressions, and 3 recursively-defined sequences. Up to 10 graphing functions defined, saved, graphed, and analyzed at one time.
Sequence graphing mode shows time series plot, cobweb/stair-step plot, and phase plots. User-defined list names. Lists store up to 999 elements. 14 interactive zoom features. Numeric evaluations given in table format for all graphing modes.
Interactive analysis of function values, roots, maximums, minimums, integrals, and derivatives. 7 different graph styles for differentiating the look of each graph drawn. Horizontal and vertical split- screen options. Stores up to 10 - 50x50 matrices.
Matrix operations including inverse, determinant, transpose, augment, reduced row echelon form, and elementary row operations. Convert matrices to lists and vice-versa. List-based one- and two-variable statistical analysis, including logistic, sinusoidal, median-median, linear, logarithmic, exponential, power, quadratic polynomial, cubic polynomial, and quartic polynomial regression models.
3 statistical plot definitions for scatter plots, xy-line plots, histograms, regular and modified box-and-whisker plots, and normal probability plots. Advanced statistics features including 9 hypothesis testing functions, 6 confidence interval functions, and one-way analysis of variance..Features: 200+ functions, multi-line display.

This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.

Janelle Mendoza

Reviewed in the United States on February 20, 2025

Works perfectly and no damages

Lia

Reviewed in the United States on February 15, 2025

The calculator came in a “new condition” yet it did not turn on regardless of the batteries being changed to a new pair. When it eventually turned on several buttons and functions did not work. It the turned off again and wouldn’t turn back on.

James

Reviewed in the United States on January 30, 2025

works great. exactly as advertised

Vagner

Reviewed in the United States on January 21, 2025

works great! i needed for school and it was great!

Lori Bowers

Reviewed in the United States on January 17, 2025

Very pleased with purchase. Came with both batteries and a charger. Display is clear and seems to work well.

Alicia Gamboa

Reviewed in the United States on January 11, 2025

Excelente producto

Mary

Reviewed in the United States on December 16, 2024

This was a gift for a student. She loves it. Ease of use, works very well, great calculator!

Joseph

Reviewed in the United States on April 26, 2022

I had to buy one of these calculators for a statistics class in college, really didn't want to buy it but I had no choice. The performance is good, quality is great and its relatively easy to use. Only gripe is if you aim to only use batteries to power it, they will drain rather quickly and it will die in a month.

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Texas Instruments TI-84 Plus Graphics Calculator, Black (Renewed)

About this item