<p>NerdCalci is a powerful calculator designed for nerds and power users who need more than basic arithmetic.</p><p>Features:</p><ul><li>Offline - Works without internet</li><li>Variable support - Define variables and reuse them in calculations</li><li>Percentage calculations - Natural syntax like "20% of 50000" or "15% off 1000"</li><li>Unit conversions - Natural syntax like "10 m in feet" or "100 kmph to mph"</li><li>Calendar-aware date and time engine with timezone support</li><li>Custom functions - Define your own functions with multi-statement support and scope isolation</li><li>Dynamic variables - Quickly compute block sums (<code>total</code>) and averages (<code>avg</code>)</li><li>Syntax highlighting - Color-coded numbers, variables, operators, and comments</li><li>Smart error diagnostics - See human-friendly explanation of math or syntax errors</li><li>Auto-completion - Smart suggestions for variable names</li><li>Comments - Document your calculations with # comments</li><li>Multiple files - Organize calculations in separate files with auto-save</li><li>Pin files - Keep frequently used files at the top</li><li>Search - Search your files easily</li><li>Duplicate files - Create a copy of a file with a new name</li><li>Undo/Redo - Up to 30 steps per file</li><li>Backups - Automatically or manually backup your files to app storage or a custom folder</li><li>Restore from backups - Restore your files from backups</li><li>Copy with results - Copy calculations with their results</li><li>Export - Share your calculations as a PNG image or a multi-page PDF</li><li>Dark/light theme - System, dark, or light mode support</li><li>Line numbers - Easy reference and navigation</li></ul><p>Perfect for:</p><ul><li>Quick calculations with reusable values</li><li>Budget planning and financial calculations</li><li>Unit conversions and formulas</li><li>Educational purposes and learning</li><li>Any scenario where you need to document and reuse calculation values</li></ul><p>NerdCa