# Barunsem: Exact Calculator — Answers like 1/3 + 2√2, no ads

> Answers like 1/3 + 2√2, no ads (iPhone/iPad app by INPHIL CHOI.)

- Source: https://appshunter.io/ios/app/barunsem-exact-calculator/id6816378702 (this page in markdown: same URL + `.md`)
- Developer: [INPHIL CHOI](https://appshunter.io/developer/6785766361)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 20 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-10-01
- Data updated: 2026-10-03

## What is Barunsem?

A scientific calculator that shows answers the way your textbook does.

Type 1 ÷ 3 + √8 and get 1/3 + 2√2 instead of 3.1617… sin 60° gives √3/2, (1 + √2)² gives 3 + 2√2, and 1/(1 + √2) is rationalized to −1 + √2. The decimal value is shown right below.

FREE, NO ADS
- Exact fractions, roots and π, with a textbook-style preview
- See how an ambiguous expression like 6÷2(1+2) is read before you press =
- 0.1 + 0.2 = 0.3 — no floating-point surprises
- Trig, inverse and hyperbolic functions, logs, powers, factorials, combinations; DEG, RAD and GRAD
- Engineering notation and SI prefixes, digit and number-format settings, landscape keypad
- Unit conversion: 94 units in 13 categories, 30 physical constants
- Base conversion (2, 8, 10, 16) and bitwise operations
- History of your last 30 calculations

BARUNSEM PRO (ONE-TIME PURCHASE, NOT A SUBSCRIPTION)
- Graphs with roots, extrema and intersections
- Equation solver with exact roots like 1 ± √2, linear systems
- Matrices with exact fractional inverses and determinants
- Complex numbers in rectangular and polar form
- Statistics and regression
- 1,000-entry history and color themes

PRIVACY
No sign-up and no internet use. History stays on this device. No ads or analytics.

EXAMS
Barunsem is a phone app, so it cannot be used in exam rooms. Bring a calculator your exam allows; use Barunsem for study, practice and work.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://inphilchoi.github.io/barunsem-privacy/

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Barunsem Pro | $3.99 | one-time |


## Is Barunsem safe?

Not enough ratings yet to assess Barunsem.

## Is Barunsem legit?

Barunsem: Exact Calculator appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Barunsem is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0.0 — 2026-10-02

No release notes.

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All apps by INPHIL CHOI: https://appshunter.io/developer/6785766361

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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 2026-10-03.*