Decision Workspace
pupil vs retrocalc vs math-eval
Side-by-side comparison of Rust crates
46
pupil
growingv1.0.0
Arithmetic expression evaluator.
48
retrocalc
experimentalv1.0.0
A retro Windows 3.1-styled calculator for your desktop
44
math-eval
experimentalv0.1.3
A mathematical expression evaluator that does sin, cos, tan, log(base 10), ln, +, -, *, /, and ^
Core Metrics
| pupil | retrocalc | math-eval | |
|---|---|---|---|
| Health Score | 46 | 48 | 44 |
| Total Downloads | 7.6K | 18 | 16 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 6 | 1 | 1 |
| Last Updated | 192d ago | 37d ago | 9d ago |
| Age | 10y 2m | 1m | 9d |
Health Breakdown
pupil
Maintenance
7
Quality
18
Community
3
Popularity
5
Documentation
13
retrocalc
Maintenance
11
Quality
17
Community
6
Popularity
2
Documentation
12
math-eval
Maintenance
12
Quality
15
Community
6
Popularity
1
Documentation
10
Technical Details
| pupil | retrocalc | math-eval | |
|---|---|---|---|
| Version | 1.0.0 | 1.0.0 | 0.1.3 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 2 | 3 | 0 |
| Crate Size | 13KB | 37KB | 4KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.88 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •retrocalc leads with a health score of 48/100, but none of the options score above 80.
- •pupil has the most downloads (7.6K), suggesting wider adoption.
- •math-eval is pre-1.0 — API may change.