64 Bit Calculator HD by Joel Eckert (Universal)
Released: Apr 1, 2010
Version: 1.8
Size: 6 MB
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Ranking - Utilities (iPhone)

Ranking - Utilities (iPad)

64 Bit Calculator HD

Joel Eckert
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 conversions
•A Basic RPN Calculator that supports Real Numbers
•ASCII and Unicode character displays
•Support for signed and unsigned integers
•Adjustable bit sizes: 8, 16, 32, and 64
•Ability to toggle binary bits
•Bitwise logic: And, Or, Xor, Nand, Nor, Xnor
•Shift and roll functions to left and right
•Addition, Subtraction, Multiplication, Division and Modulo
•1's and 2's complement
•Exponentiations to powers of y
•Byte and word flipping
•Type in ASCII and Unicode strings with the keyboard
•ASCII and Unicode Tables to search and copy characters
•Copy and Paste all results


There 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.


To 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.

What's new in version 1.8
Support for the iPad retina display.
Our verdict: Good
  • + 64 Bit Calculator HD is a highly rated app (4-star).
  • + It is currently 67% off its regular price.
  • + The app is also at the lowest price we've seen.
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