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Selecting the operating Mode

Decimal mode is the default calculator mode of operation that is selected on the calculators startup. Any Hexadecimal or Binary value in the calculator readout is converted to a decimal value.

Hexadecimal mode when selected truncates the readout decimal data to an integer value and then to Hexadecimal. Any Binary values are converted to a Hexadecimal value. Keys A,B,C,D,E and F are provided for entering Hexadecimal number data.

Binary mode when selected truncates the readout data to an integer value if in decimal and then to Binary. If the readout data is Hexadecimal then the data is converted to Binary. The only keys available for use are 1 and 0, but additional AND XOR OR and NOR keys are provided to allow gate function testing.

Hexadecimal keypad                                     Binary keypad

Note:- the use of a special equals ( = ) button in non decimal mode.