Decision Workspace
mathexpr vs expr-solver-lib vs exprkit
Side-by-side comparison of Rust crates
49
mathexpr
experimentalv0.1.1
A fast, safe mathematical expression parser and evaluator with bytecode compilation
49
expr-solver-lib
experimentalv1.2.0
Mathematical expression evaluator with bytecode compilation and configurable numeric precision (f64 or 128-bit Decimal)
48
exprkit
experimentalv0.1.0
A mathematical expression parser and evaluator library, inspired by the ExprTk C++ library
Core Metrics
| mathexpr | expr-solver-lib | exprkit | |
|---|---|---|---|
| Health Score | 49 | 49 | 48 |
| Total Downloads | 184 | 1.3K | 10 |
| 30d Downloads | 65 | 29 | 10 |
| Dependents | 1 | 7 | 0 |
| Releases | 2 | 7 | 1 |
| Last Updated | 83d ago | 157d ago | 4d ago |
| Age | 2m | 5m | 4d |
Health Breakdown
mathexpr
Maintenance
9
Quality
15
Community
7
Popularity
3
Documentation
15
expr-solver-lib
Maintenance
16
Quality
11
Community
8
Popularity
4
Documentation
10
exprkit
Maintenance
13
Quality
16
Community
6
Popularity
1
Documentation
12
Technical Details
| mathexpr | expr-solver-lib | exprkit | |
|---|---|---|---|
| Version | 0.1.1 | 1.2.0 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 6 | 8 | 1 |
| Crate Size | 27KB | 37KB | 80KB |
| Features | 2 | 4 | 2 |
| Yanked % | 0.0% | 71.4% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.70 | — | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mathexpr leads with a health score of 49/100, but none of the options score above 80.
- •expr-solver-lib has the most downloads (1.3K), suggesting wider adoption.
- •mathexpr, exprkit are pre-1.0 — API may change.