Decision Workspace
eva vs evar vs ccalc
Side-by-side comparison of Rust crates
41
eva
growingv0.3.1
Calculator REPL similar to bc(1)
41
evar
growingv0.2.0
Modern ergonomic math calculator inspired by eva
43
ccalc
experimentalv0.7.0
Command-line calculator with accumulator, memory cells, multi-base arithmetic, and script file support
Core Metrics
| eva | evar | ccalc | |
|---|---|---|---|
| Health Score | 41 | 41 | 43 |
| Total Downloads | 20.6K | 1.9K | 8 |
| 30d Downloads | 65 | 5 | 8 |
| Dependents | 0 | 0 | 0 |
| Releases | 9 | 3 | 1 |
| Last Updated | 1236d ago | 341d ago | today |
| Age | 7y | 1y | 1d |
Health Breakdown
eva
Maintenance
4
Quality
14
Community
8
Popularity
5
Documentation
10
evar
Maintenance
7
Quality
14
Community
6
Popularity
4
Documentation
10
ccalc
Maintenance
13
Quality
14
Community
5
Popularity
1
Documentation
10
Technical Details
| eva | evar | ccalc | |
|---|---|---|---|
| Version | 0.3.1 | 0.2.0 | 0.7.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 7 | 8 | 2 |
| Crate Size | 19KB | 34KB | 37KB |
| Features | 0 | 1 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | — | — |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •ccalc leads with a health score of 43/100, but none of the options score above 80.
- •eva has the most downloads (20.6K), suggesting wider adoption.
- •⚠ eva has not been updated in over a year.