This is a HexaDecimal calculator application. Both Decimal and Hex values are always displayed. Delimiter marks ,each 3 digits(Decimal) and 4 digits(Hex), are helpfull. Larger buttons are easy to tap. Decimal numbers are up to 18 digits and down to 10 decimal places. Hex numbers are up to 16 digits.
[AC] is All Clear, and [BS] is BackSpace(Delete a last inputed number). Operation is performed according to input sequences. i.e. 2 + 3 x 4 = becomes 20. (when "2 + 3 x ", result area becomes 5.)
Ver 1.5: Add simple history line. Ver 1.4: Add Touch Vibrate functon. Ver 1.3: Add ASCII code table for reference.