When using chemical formula it is possible to calculate the percentage composition of the chemical. This can be useful when extracting metals from ores or when making fertilisers for specific plants.
− Subtraction = Calculate +/- Plus/minus toggles the pos/neg sign of the displayed number mc Memory clear mr Memory recall m- Memory minus m+ Memory plus CE Clear entry AC All clear √x Square root % Percentage π pi = 3.1415926536 x y Exponent R2 Round to 2 decimals (cents)
R0 = Round to 0 decimals: round off the current display value to 0 decimal places % = Percent: use displayed value to calculate a percentage Accessible Calculator Features Zoom: Increase the size of the calculator in your browser using your browser's zoom feature. The size of the calculator, text and buttons changes proportionately.
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