Product SKU: TEXTI30XA Performs basic scientific and trigonometric functions Ideal for general math pre-algebra algebra 1 and 2 trigonometry and biology Features conversions and fraction calculations Texas Instruments TI-30Xa Scientific Calculator Global Product Type: Calculators-Scientific Power Source(s): Battery Display Notation: Numeric Number of Display Digits: 10 Display Characters x Display Lines: 10 x 1 Memory: 1 Display Type(s): LCD Case: Hard Display Characters Height: 8.3 mm Percent Key(s): No Fraction Calculations: Yes Fraction/Decimal Conversions: Yes Decimal Function: No +/- Switch Key: Yes Currency Exchange Function: No Metric Conversion: No Backspace Key: Yes Double Zero Key: No Amortization: No Base Number Calculations: No Bond Calculations: No Complex Number Calculations: No Confidence Interval Calculating: No Cost/Sell/Margin: No Date Calculations: No Depreciation Calculations: No Entry Logic: Algebraic Equation Editor: No Grand Total Key: No Hyperbolic Functions: No Hypothesis Testing: No Interest Rate Conversion: No Item Count Function: No Levels of Parentheses: 10 Linear Regression: No Loan Calculation: No Logical (Boolean) Operations: No Markup/Down Key: No Matrices: No Percent Add-On/Discount: No Polar-Rectangular Conversion: Yes Probability (Random Number): No Simultaneous Equations: No Square Root Key: Yes Tax Calculation: No Time-Value-of-Money: No Time/Date: No Trig/Log Functions: Yes Variable Regression: No Variable Statistics: One Size: 3 1/8 x 6 Replacement Batteries: 1.5V Silver Oxide Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0%