# P-Way Horizontal Calcs (1.6m)

> P-Way Horizontal Calcs (1.6m) (iPhone/iPad app by mark mcmahon.)

- Source: https://appshunter.io/ios/app/p-way-horizontal-calcs-16m/id6794067109 (this page in markdown: same URL + `.md`)
- Developer: [mark mcmahon](https://appshunter.io/developer/6788542852)
- Category: Productivity
- Price: $4.99 (on sale, was $12.99)
- Age rating: 4+
- Requires: iOS 15.1 · 22 MB
- Languages: American English
- Released: 2026-08-06
- Data updated: 2026-08-28
- User reviews in markdown: https://appshunter.io/ios/app/p-way-horizontal-calcs-16m/id6794067109/reviews.md

## What is P?

P-way Horizontal Design Calcs is a mobile App calculator for Iarnród Éireann / Translink Permanent Way engineers designing horizontal alignments with 1.6m Irish Rail / Broad gauge.

Built around established formulas (equilibrium cant, cant deficiency, rates of change and transition lengths) it gives you the numbers you need on your phone, site or in meetings.

Three curve modes include single, compound and reverse.

Privacy: no data leaves your device. No accounts, ads or analytics.


## Version history (last 2 releases)

### 1.0.1 — 2026-08-20

First formal issue.

### 1.0.0 — 2026-08-06

No release notes.

## More apps by mark mcmahon

- [P-Way Horizontal Design Calcs](https://appshunter.io/ios/app/p-way-horizontal-design-calcs/id6788542573)
- [P-Way Vertical Design Calcs](https://appshunter.io/ios/app/p-way-vertical-design-calcs/id6792111686)

All apps by mark mcmahon: https://appshunter.io/developer/6788542852

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*