A Calculator plugin for Ghidra that adds a GUI calculator and right-click options for adding addresses, memory, and constant values to the calculator, as well as options for calculating distance between addresses.

Supports Ghidra 11.3 and later

• Multi-base Display: Simultaneous hex, decimal, binary, and octal display
• Clickable Binary Display: Click on individual bits to flip from 0 to 1 and vice versa
• Input Mode Switching: Switch between hex/dec/bin/oct input modes
• Standard Operations: Addition, subtraction, multiplication, division, modulo, flip sign, 2's complement conversion, endian swapping
• Bitwise Operations: AND, OR, XOR, NOT, NOR, Rotate, Shift
• Collapsable Extras Panel: Collapsable extras panel with quick operations and hash calculations
• Quick Increment/Decrement: ±1, ±2, ±4, ±8, ±32, ±0x10, ±0x100, ±0x1000 buttons
• Hash Calculations: Calculate 28 different hash types for a range of memory
• Value Marking: Mark and recall values
• History Window: See previous calculations
  • Double-click to jump to resulting address if it's a valid address
  • Load result into calculator
• Context Menu Integration:
  • Right-click in disassembler to:
    • Add addresses to calculator
    • Add memory values to calculator
    • Add scalar operands to calculator
    • Mark addresses for distance calculation
    • Mark values for comparison operations
    • Perform addition, subtraction, and xor'ing of marked values
    • Calculate hashes for a selection of memory
  • Right click in decompiler to:
    • Add constants to calculator
    • Mark constants

Submit new feature ideas as a Github issue and I will implement them!

1. Open Ghidra
2. Go to File → Install Extensions...
3. Click the "+" button (Add Extension)
4. Select the release zip file
5. Click OK to install
6. Restart Ghidra when prompted

1. After Ghidra restarts, go to File → Configure → Plugins
2. Search for "Calculator"
3. Check the box next to "CalculatorPlugin"
4. Click OK
5. The Calculator and history windows should appear, but if not, follow step 3

1. Go to Window → Calculator and click on Calculator
2. Go to Window → Calculator and click on Calculator History
3. The calculator and history windows will appear and can be docked anywhere