Decision Workspace
cexpr vs exmex vs mathlex
Side-by-side comparison of Rust crates
48
cexpr
growingv0.6.0
A C expression parser and evaluator
63
exmex
growingv0.21.0
fast, simple, and extendable mathematical expression evaluator able to compute partial derivatives
58
mathlex
experimentalv0.4.1
Mathematical expression parser for LaTeX and plain text notation, producing a language-agnostic AST
Core Metrics
| cexpr | exmex | mathlex | |
|---|---|---|---|
| Health Score | 48 | 63 | 58 |
| Total Downloads | 223.4M | 82.1K | 455 |
| 30d Downloads | 14.9M | 1.8K | 0 |
| Dependents | 178 | 82 | 10 |
| Releases | 18 | 44 | 9 |
| Last Updated | 1687d ago | 2d ago | 23d ago |
| Age | 9y 10m | 4y 10m | 4m |
Health Breakdown
cexpr
Maintenance
5
Quality
12
Community
11
Popularity
8
Documentation
12
exmex
Maintenance
19
Quality
12
Community
11
Popularity
6
Documentation
15
mathlex
Maintenance
18
Quality
13
Community
9
Popularity
3
Documentation
15
Technical Details
| cexpr | exmex | mathlex | |
|---|---|---|---|
| Version | 0.6.0 | 0.21.0 | 0.4.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0/MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 2 | 9 | 8 |
| Crate Size | 18KB | 73KB | 271KB |
| Features | 0 | 2 | 3 |
| Yanked % | 5.6% | 9.1% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.80.1 | 1.85 |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •exmex leads with a health score of 63/100, but none of the options score above 80.
- •cexpr has the most downloads (223.4M), suggesting wider adoption.
- •cexpr is depended on by 178 crates — strongest ecosystem trust.
- •⚠ cexpr has not been updated in over a year.