Decision Workspace
qalqulator vs kalker vs rug_calc
Side-by-side comparison of Rust crates
38
qalqulator
growingv0.1.0
A calculator that uses (and outputs) rational numbers wherever possible.
49
kalker
growingv2.2.2
A calculator that supports user-defined functions, variables and units, and can handle fairly ambiguous syntax.
44
rug_calc
experimentalv0.1.12
A Rug-powered scientific computing engine featuring high-performance, arbitrary-precision numerical evaluation.
Core Metrics
| qalqulator | kalker | rug_calc | |
|---|---|---|---|
| Health Score | 38 | 49 | 44 |
| Total Downloads | 1.5K | 17.0K | 181 |
| 30d Downloads | 3 | 57 | 60 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 11 | 13 |
| Last Updated | 1261d ago | 203d ago | 26d ago |
| Age | 3y 5m | 4y 9m | 1m |
Health Breakdown
qalqulator
Maintenance
1
Quality
14
Community
6
Popularity
4
Documentation
13
kalker
Maintenance
11
Quality
18
Community
6
Popularity
5
Documentation
9
rug_calc
Maintenance
14
Quality
11
Community
6
Popularity
3
Documentation
10
Technical Details
| qalqulator | kalker | rug_calc | |
|---|---|---|---|
| Version | 0.1.0 | 2.2.2 | 0.1.12 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | AGPL-3.0-or-later | MIT | MIT |
| Dependencies | 6 | 9 | 2 |
| Crate Size | 22KB | 24KB | 12KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 7.7% |
| Edition | 2021 | 2018 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •kalker leads with a health score of 49/100, but none of the options score above 80.
- •⚠ qalqulator has not been updated in over a year.
- •qalqulator, rug_calc are pre-1.0 — API may change.