Decision Workspace
squiid-engine vs postfix vs cas-compute
Side-by-side comparison of Rust crates
45
squiid-engine
growingv2.2.2
Squiid Engine is an RPN mathematical engine written in Rust
43
postfix
growingv0.1.2
Postfix expression evaluator
43
cas-compute
experimentalv0.2.0
Tools for evaluation of CalcScript expressions
Core Metrics
| squiid-engine | postfix | cas-compute | |
|---|---|---|---|
| Health Score | 45 | 43 | 43 |
| Total Downloads | 1.9K | 5.6K | 2.1K |
| 30d Downloads | 6 | 7 | 109 |
| Dependents | 0 | 0 | 7 |
| Releases | 3 | 4 | 2 |
| Last Updated | 381d ago | 2375d ago | 311d ago |
| Age | 1y | 6y 6m | 11m |
Health Breakdown
squiid-engine
Maintenance
6
Quality
20
Community
5
Popularity
4
Documentation
10
postfix
Maintenance
9
Quality
16
Community
5
Popularity
4
Documentation
9
cas-compute
Maintenance
7
Quality
14
Community
8
Popularity
4
Documentation
10
Technical Details
| squiid-engine | postfix | cas-compute | |
|---|---|---|---|
| Version | 2.2.2 | 0.1.2 | 0.2.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | GPL-3.0 | MIT | MIT |
| Dependencies | 7 | 0 | 14 |
| Crate Size | 47KB | 2KB | 60KB |
| Features | 3 | 0 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2018 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •squiid-engine leads with a health score of 45/100, but none of the options score above 80.
- •postfix has the most downloads (5.6K), suggesting wider adoption.
- •⚠ squiid-engine, postfix have not been updated in over a year.
- •postfix, cas-compute are pre-1.0 — API may change.