CASIO MS 80F Desk Calculator 8 Digit, Metal Front, Tax, Currency

Advanced Percentage Calculation - enabled by CASIO's unique input logic, showing absolute value of the % before adding to the base Tax Calculation of price plus tax / price less tax, display of tax amount and gross amount, tax rate storable Currency Conversion with 2 storable rates Square Root Calculation, Constant Calculation Key Rollover - Input Buffer Memory, enables very fast input typing