# Scientific Calculator · Eqnora — Equations, graphs & matrices

> Equations, graphs & matrices (iPhone/iPad app by junpyo ko.)

- Source: https://appshunter.io/ios/app/scientific-calculator-eqnora/id6816647710 (this page in markdown: same URL + `.md`)
- Developer: [junpyo ko](https://appshunter.io/developer/6814467114)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 29 MB
- Languages: American English, Arabic, Czech, Danish, Dutch, Filipino, Finnish, French (France), German (Germany), Greek and 21 more
- Released: 2026-10-13
- Data updated: 2026-11-06

## What is Scientific Calculator · Eqnora?

Keep scientific calculation clear and close at hand. Eqnora puts large keys, DEG/RAD, results and recent calculations on one screen. Unit conversion, number bases, decimal-to-fraction conversion, coordinates and scientific constants are free.

An optional, one-time Lifetime Pro purchase unlocks equations, matrices, numerical calculus, two-function graphs, statistics and electrical tools, and removes ads. The free calculator remains available without a purchase. You can also choose to watch one rewarded ad to get a free 1-hour Pro pass. It activates when the reward is granted, with all Pro features and no ads. No payment or automatic subscription. Calculation history stays on your device.

Pro: Save formulas by name, with their variable values. Vary one input and compare up to 101 results.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Eqnora Lifetime Pro | $1.99 | one-time |


## Is Scientific Calculator · Eqnora safe?

Not enough ratings yet to assess Scientific Calculator · Eqnora.

## Is Scientific Calculator · Eqnora legit?

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


## Version history (last 2 releases)

### 1.16.1 — 2026-10-17

• Improved display of very small nonzero results and pasting numbers in local formats.
• Undo AC and recover unfinished expressions.
• Find Pro features faster and choose individual results to reuse.
• Clearer guidance for store reconnection and purchase verification.
• Refined launch animation and four carefully selected calculator skins.

### 1.16.0 — 2026-10-13

No release notes.

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All apps by junpyo ko: https://appshunter.io/developer/6814467114

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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 2026-11-06.*