# aView

> aView (iPhone/iPad app by Lars Hansen.)

- Source: https://appshunter.io/ios/app/aview/id878239134 (this page in markdown: same URL + `.md`)
- Developer: [Lars Hansen](https://appshunter.io/developer/373834594)
- Category: Utilities, Reference
- Price: $0.99
- Age rating: 4+
- Requires: iOS 15.0 · 1 MB
- Languages: American English, Swedish
- Released: 2014-05-18
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/aview/id878239134/reviews.md

## What is aView?

aView is a collection of small utilities  to calculate various things about angles, speed, altitudes, horizon, areas, ranges, orbits and time.

Functions:

Triangle area using Heron´s formula, three knows sides.
Triangle area using trigonometric sine function, two known sides and angle berween.
Distance to horizon or to tower behind horizon.
Altitude needed to see a certain distance to the horizon.
Depth of a straight tunnel below the earth surface.
Projectile parabola. Altitude, distance and time.
Turning radius and g-force for given speed and banking.
Speed and time in orbit around the earth.
Gravitation from a body at certain distances.
Calculate your glasses dioptre.
Convert angles format.
Triangle angles and length.
Calculate roots in quadratic equation.


## Version history (last 5 releases)

### 1.8 — 2024-04-27

Updated code. iOS15 or higher.

### 1.7 — 2021-03-20

Gravitation calculations: In last update the result for escape velocity and acceleration acidentely changed place. Now corrected.

### 1.6 — 2021-03-06

Added a new function to calculate quadratic equations.
Minor changes in appearance.

### 1.5 — 2018-11-21

iOS12
One new utility to calculate angles and length in a triangle.

### 1.4 — 2017-01-19

Updated for iOS10
Added a function for angle conversion
Changes in layout

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## More apps by Lars Hansen

- [Texit](https://appshunter.io/ios/app/texit/id373834591)
- [MorseLearning](https://appshunter.io/ios/app/morselearning/id374023459)
- [RedLight](https://appshunter.io/ios/app/redlight/id374982373)
- [MyFlora](https://appshunter.io/ios/app/myflora/id375802534)
- [PilotsView](https://appshunter.io/ios/app/pilotsview/id381063957)
- [JetID](https://appshunter.io/ios/app/jetid/id381397575)

All apps by Lars Hansen: https://appshunter.io/developer/373834594

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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 2026-05-16.*