1st Calculator: Advanced Desktop Calculator
Handy and useful expression calculator and converter with skins and lots of features
**FREE DOWNLOAD (v1.15)**
File Size: 558KB | Safe & Verified
Utility
Security
Freeware
Overview and Functionality
Technical Specifications
- **License:** Shareware
- **Operating System:** Windows 95/98/NT/2000
- **Last Updated:** October 15, 2025
- **Category:** Education And Reference / Math
User Rating
Based on 207 reviews.