ARP2242 Features: * Amortization: No * Bond Calculations: No * Time/Date: No * Confidence Interval Calculating: No * Memory: Four-Key * Logical (Boolean) Operations: No * Backspace Key: No * Global Product Type: Calculators-Basic * Case: Wallet * Metric Conversion: No * Depreciation Calculations: No * Total Recycled Content Percent : 0 pct * Equation Editor: No * Display Notation: Numeric * Decimal Function: No * Interest Rate Conversion: No * Variable Regression: No * Base Number Calculations: No * Grand Total Key: No * Square Root Key: No * Display Types: LCD * Hyperbolic Functions: No * Currency Exchange Function: No * Time-Value-of-Money: No * Complex Number Calculations: No * Markup/Down Key: No * Trig/Log Functions: No * Pre-Consumer Recycled Content Percent : 0 pct * Fraction/Decimal Conversions: No * Fraction Calculations: No * Power Source(s): Battery, Solar * Date Calculations: No * Percent Key(s): Yes * Simultaneous Equations: No * Hypothesis Testing: No * Calculator Type: Basic * Polar-Rectangular Conversion: No * Probability (Random Number): No * Number of Display Digits : 8 * Percent Add-On/Discount: No * Tax Calculation: Yes * Matrices: No * Loan Calculation: No * +/- Switch Key: No * Display Characters Height : 13.5 mm * Post-Consumer Recycled Content Percent : 0 pct * Item Count Function: No * Double Zero Key: No * Linear Regression: No * Cost/Sell/Margin: No * Wall-Mountable: Yes Specifications: * Size: 2 1/2w x 4 1/2d * Replacement Batteries: 1.5V Silver Oxide, EVE-389BP