EL-738 (Clamshell) financial calculator computes all time-value-of-money calculations for business and educational purposes Design that delivers high availability, scalability, and for maximum flexibility and price/performance Manufactured In China New 2-Line display and Play Back Function. Power Supply CR2032 battery Can do Financial Calculation (time-value-of-money). Can do Amortization Calculations and Interest Rate Conversions. Can do 2 Variable statistics with liner regression. SHREL738C Perfect for computing all time-value-of-money calculations. Can also perform Interest rate conversions, amortization calculations and non-uniform cash flow calculations. Ideal for business students and professionals. Calculator Type: N/A; Global Product Type: Calculators; Calculator Style: Financial; Power Source(s): Battery.