One TI-Nspire with Recharge Battery

Texas Instruments TI-Nspire CX II Advanced statistics analysis, including 10 hypothesis testing functions, seven confidence interval functions and one-way analysis of variance. Eighteen probability distributions functions, including the cumulative distribution function (CDF), probability density function (PDF) and inverse probability distribution function for normal, chi-squared, t-, and F- distributions; and the CDF and PDF for binomial, geometric and Poisson distributions. Three statistical plot definitions for scatter plots, xy-line plots, histograms, regular and modified box-and-whisker plots, and normal probability plots. Power Source(s): Battery; Display Notation: Graphic; Number of Display Digits: 10; Memory: 90+ MB Storage Memory; 64 MB Operating Memory. Depreciation Calculations: No Display Window Resolution: 320 x 240 Entry Logic: Algebraic Equation Editor: Yes Grand Total Key: No Graphing Functions: Differential Equations; Histogram; Parametric; Plot; Zoom Higher Mathematical Functions: Algebra; Chemistry; Geometry; Plot; Polynomial Equations; Statistics; Trigonometry Hyperbolic Functions: Yes Hypothesis Testing: Yes Interest Rate Conversion: Yes Item Count Function: No Levels of Parentheses: Unlimited Linear Regression: No Loan Calculation: No Date Calculations: No Cost/Sell/Margin: No Confidence Interval Calculating: Yes Complex Number Calculations: Yes Cash Flow Calculations: Yes Bond Calculations: No Base Number Calculations: Yes Amortization: Yes Double Zero Key: No Backspace Key: No Metric Conversion: No Currency Exchange Function: No +/- Switch Key: No Decimal Function: No Fraction/Decimal Conversions: No Fraction Calculations: No Percent Key(s): No Case: Slide-On Hard Case Calculators Display Type: LCD Calculators Memory: 90+ MB Storage Memory; 64 MB Operating Memory Number of Display Digits: 10 Display Notation: Graphic Power Source(s): Battery Global Product Type: Graphing Calculators Logical (Boolean) Operations: Yes Markup/Down Key: Yes Matrices: Yes Percent Add-On/Discount: No Polar-Rectangular Conversion: No Probability (Random Number): Yes Simultaneous Equations: No Square Root Key: Yes Tax Calculation: No Time-Value-of-Money: No Time/Date: No Trig/Log Functions: No Variable Regression: No Size: 3.54 x 7.48 Wall-Mountable: No Product Biodegradability Indicator: N Product Compostability Indicator: N Package Includes: Rechargeable Battery; Slide Case; USB Cables; Student Software License; Documentation Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0% Manufacturers limited one-year warranty.