Decision Workspace
smart-calculator vs mathengine-units vs mathengine-lexer
Side-by-side comparison of Rust crates
48
smart-calculator
experimentalv1.0.2
Natural-language calculator for math, units, time zones, dates, fiat, and crypto conversions
46
mathengine-units
experimentalv0.1.0
Comprehensive unit conversion system supporting multiple measurement dimensions
46
mathengine-lexer
experimentalv0.1.0
High-performance lexical analyzer for mathematical expressions with unit support
Core Metrics
| smart-calculator | mathengine-units | mathengine-lexer | |
|---|---|---|---|
| Health Score | 48 | 46 | 46 |
| Total Downloads | 48 | 743 | 622 |
| 30d Downloads | 48 | 64 | 59 |
| Dependents | 0 | 3 | 3 |
| Releases | 3 | 1 | 1 |
| Last Updated | 19d ago | 172d ago | 172d ago |
| Age | 20d | 5m | 5m |
Health Breakdown
smart-calculator
Maintenance
13
Quality
14
Community
6
Popularity
2
Documentation
13
mathengine-units
Maintenance
5
Quality
15
Community
8
Popularity
3
Documentation
15
mathengine-lexer
Maintenance
5
Quality
15
Community
8
Popularity
3
Documentation
15
Technical Details
| smart-calculator | mathengine-units | mathengine-lexer | |
|---|---|---|---|
| Version | 1.0.2 | 0.1.0 | 0.1.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 13 | 0 | 0 |
| Crate Size | 63KB | 5KB | 3KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.85 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •smart-calculator leads with a health score of 48/100, but none of the options score above 80.
- •mathengine-units has the most downloads (743), suggesting wider adoption.
- •mathengine-units, mathengine-lexer are pre-1.0 — API may change.