# SurveyCalculation — Triangulation

> Triangulation (iPhone/iPad app by youji okamura.)

- Source: https://appshunter.io/ios/app/surveycalculation/id1445264027 (this page in markdown: same URL + `.md`)
- Developer: [youji okamura](https://appshunter.io/developer/834016142)
- Category: Productivity, Business
- Price: $1.99
- Age rating: 4+
- Requires: iOS 12.0 · 8 MB
- Languages: English
- Released: 2018-12-16
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/surveycalculation/id1445264027/reviews.md

## What is SurveyCalculation?

"A useful application if you have! "From the series, it calculates angle and oblique distance from vertical distance and width pile distance.

You can easily calculate in the field by using the application, so there is no need to do unnecessary manual calculation using an expensive function calculator.

1. Place the instrument on the center planning the structure.

2. Measure the distance to the normal. (Instrument - structure normal)

3. From the structure normal, how many meters you want to measure?

4. The vertical distance of 2 and the width pile distance of 3 above are input conditions.

5. Click on Calculate application to calculate the angle from the instrument, oblong distance.
The angle calculates the right direction and calculates the angle in the left direction at 360 - angle.


If you could do such calculations at the work place immediately. . . As I thought, I feel that there are many people who seem to be useful in many cases.


## Version history (last 1 release)

### 1.0 — 2018-12-16

No release notes.

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## More apps by youji okamura

- [Calculate area on three sides](https://appshunter.io/ios/app/calculate-area-on-three-sides/id834019680)
- [surveying height calculation](https://appshunter.io/ios/app/surveying-height-calculation/id954160537)
- [Easy to use calculator](https://appshunter.io/ios/app/easy-to-use-calculator/id965241193)
- [測量 座標計算](https://appshunter.io/ios/app/id989856065)
- [EnglishRock！](https://appshunter.io/ios/app/englishrock/id1433908275)

All apps by youji okamura: https://appshunter.io/developer/834016142

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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 2026-05-19.*