Decision Workspace
calculate vs fend-core vs kalk
Side-by-side comparison of Rust crates
34
calculate
growingv0.5.1
Rust library for parsing and processing arithmetic expressions
62
fend-core
stablev1.5.8
Arbitrary-precision unit-aware calculator
57
kalk
growingv3.2.2
A math evaluator library that supports user-defined functions, variables and units, and can handle fairly ambiguous syntax.
Core Metrics
| calculate | fend-core | kalk | |
|---|---|---|---|
| Health Score | 34 | 62 | 57 |
| Total Downloads | 24.2K | 119.9K | 67.4K |
| 30d Downloads | 113 | 2.2K | 270 |
| Dependents | 2 | 97 | 44 |
| Releases | 8 | 68 | 45 |
| Last Updated | 3057d ago | 63d ago | 203d ago |
| Age | 8y 8m | 5y 6m | 5y 9m |
Health Breakdown
calculate
Maintenance
3
Quality
14
Community
6
Popularity
5
Documentation
6
fend-core
Maintenance
15
Quality
20
Community
11
Popularity
6
Documentation
10
kalk
Maintenance
11
Quality
20
Community
11
Popularity
6
Documentation
9
Technical Details
| calculate | fend-core | kalk | |
|---|---|---|---|
| Version | 0.5.1 | 1.5.8 | 3.2.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | non-standard | MIT | MIT |
| Dependencies | 4 | 0 | 6 |
| Crate Size | 11KB | 119KB | 78KB |
| Features | 0 | 0 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2024 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fend-core leads with a health score of 62/100, but none of the options score above 80.
- •⚠ calculate has not been updated in over a year.
- •calculate is pre-1.0 — API may change.