If you're a busy programmer and are looking to get quick results for your calculations, the 64 Bit Calculator is for you! The design is sleek and attractive, easy to use. It's perfect for your iPhone, iPad and iPod touch. Retina display and multitasking support Features include:Decimal, hexadecimal, octal and binary conversionsA Basic RPN Calculator that supports Floating PointASCII and Unicode character displaysSupport for signed and unsigned integersAdjustable bit sizes: 8, 16, 32, and 64Ability to toggle binary bitsBitwise logic: And, Or, Xor, Nand, Nor, XnorShift and roll functions to left and rightAddition, Subtraction, Multiplication, Division and Modulo1's and 2's complementExponentiations to powers of yByte and word flippingType in ASCII and Unicode strings with the keyboardASCII and Unicode Tables to search and copy charactersCopy and Paste all resultsOPERATING INSTRUCTIONS - iPhoneThere are three displays in the 64 Bit Calculator.When you launch the program, the top display is automatically selected, highlighted with a gray bar, in decimal mode. In order to toggle between the three modes in the top display, be sure that the top display is highlighted. Now tap inside display to toggle between decimal, hexadecimal and octal.If you tap the middle display, you switch to binary mode. If you tap the bottom display, you switch to hexadecimal.Use the shift key (left arrow) to give you extra functionality: Nand, Nor, Xnor, Modulo, X^2, X^Y, Byte Flip, Word Flip, Hex-ASCII-Uni, and Settings.To display ASCII and Unicode characters, tap the Hex-ASCII-Uni button to toggle between these modes on the bottom display. To pop-up the keyboard, press the bottom display when either the ASCII or Unicode displays are visible.OPERATING INSTRUCTIONS - iPhone, and iPadTo toggle binary bits, select the binary display. Once selected, press the 4 bits that contain the bit or bits you want to change. The bits will enlarge. Toggle each bit you wish to change and tap outside of the bits to exit.