From version 1.6.4 you have the ability to temporarily remove ads for one week by completing a survey. Open the menu and click on the "Remove ads for free" item to learn more.

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Supported operators (Swipe from the left side to the right to reveal the bitwise operators):
- AND
- OR
- XOR
- MOD
- NOT
- LSH
- RSH
- Basic arithmetic operations (+ - * /)

- Advanced mode added which allows QWORD (64-bits) DWORD (32-bits) WORD (16-bits) and BYTE (8-bits) settings and negative numbers. If you need floating point numbers tap the options button in the top toolbar tap mode and select "Floating point mode".
- To view all numeral systems without having to change screen double tap on the result box to hide the other numeral systems double tap again.
- To use bitwise operators swipe from the left edge of the screen towards the right edge.

A great tool for every programmer. The only one that supports floating point numbers conversion and basic operations for all 4 numeral systems (decimal binary octal and hexadecimal).

Programmer Calculator is a simple and easy-to-use calculator especially designed for programmers. You can convert numbers from and to all different numeral systems (decimal binary octal and hexadecimal). It also provides the basic calculator functions for all 4 numeral systems.
But the special and unique feature of the app is the conversion of floating point numbers from all 4 numeral systems (decimal binary octal and hexadecimal).

Features:
-The only app that supports floating point numbers conversion and basic operations for all 4 numeral systems (decimal binary octal and hexadecimal).
-Basic calculator operations and bitwise operators (And Or Xor Not Left shift Right shift).
-Memory button to save a number (single click to copy long click to paste)
-Different UI for landscape orientation and tablets to utilize all available space.

Paid ad-free version here https://play.google.com/store/apps/details?id=fidias.ioannides.premium