Convert numbers between decimal, binary, hexadecimal, and octal systems. Look up ASCII characters by code or symbol, and perform bitwise operations like NOT, AND, and OR on numbers in various bases.






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Convert numbers between decimal, binary, hexadecimal, and octal systems. Look up ASCII characters by code or symbol, and perform bitwise operations like NOT, AND, and OR on numbers in various bases.









This educational calculator promotes the use of Base Twelve (duodecimal) in math and science. It offers standard mathematical functions in both duodecimal and decimal modes, with automatic conversion between them. It utilizes Reverse Polish Notation (RPN) for calculations.










This app transforms your modern device into a speech recognition input for a network-connected Apple IIGS. Speak into your device, and your words will be typed into compatible GS applications, such as text editors.




Convert numbers between hexadecimal, decimal, octal, and binary. Perform byte flips, bit shifts, and calculate two's complement. Features bit indicators and word grouping for improved binary readability.