SoulCalc

SoulCalc is a notepad-style calculator that combines the simplicity of a basic calculator with the flexibility of a text editor.

Features:

- Multi-line calculations: Write multiple expressions, each on its own line
- Named variables: Define variables like $price = 100 and use them in other lines
- Line references: Reference previous results with $1, $2, etc.
- Real-time evaluation: Results appear instantly as you type
- Built-in calculator keyboard: Quick access to math operators
- Percentage calculations: Use % for percentage operations (e.g., 100+10% = 110)
- Power and square root: Support for exponents (^) and square root (sqrt)
- Comments: Add notes with # prefix
- Copy results: Tap any result to copy it to clipboard
- Auto-save: Your calculations are automatically saved
- Light and dark theme support
- Built-in help guide

Perfect for:
- Quick everyday calculations
- Shopping and budgeting
- Unit conversions with formulas
- Any calculation where you want to see your work

SoulCalc is free, open source, and contains no ads or trackers.