Decision Workspace
smart-calculator vs mathengine-units vs mathengine-lexer
Side-by-side comparison of Rust crates
50
smart-calculator
experimentalv1.0.3
Natural-language calculator for math, units, time zones, dates, fiat, and crypto conversions
58
mathengine-units
experimentalv0.1.1
Comprehensive unit conversion system supporting multiple measurement dimensions
57
mathengine-lexer
experimentalv0.1.1
High-performance lexical analyzer for mathematical expressions with unit support
Core Metrics
| smart-calculator | mathengine-units | mathengine-lexer | |
|---|---|---|---|
| Health Score | 50 | 58 | 57 |
| Total Downloads | 146 | 942 | 818 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 6 | 6 |
| Releases | 4 | 2 | 2 |
| Last Updated | 90d ago | 11d ago | 11d ago |
| Age | 4m | 9m | 9m |
Health Breakdown
smart-calculator
Maintenance
13
Quality
15
Community
6
Popularity
3
Documentation
13
mathengine-units
Maintenance
16
Quality
15
Community
8
Popularity
4
Documentation
15
mathengine-lexer
Maintenance
16
Quality
15
Community
8
Popularity
3
Documentation
15
Technical Details
| smart-calculator | mathengine-units | mathengine-lexer | |
|---|---|---|---|
| Version | 1.0.3 | 0.1.1 | 0.1.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 13 | 0 | 0 |
| Crate Size | 64KB | 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
- •mathengine-units leads with a health score of 58/100, but none of the options score above 80.
- •mathengine-units, mathengine-lexer are pre-1.0 — API may change.