x vs permutation group
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
x
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x-Cal is an ergonomic scientific calculator, in both portrait and landscape orientations, using RPN (c) Great for professional and educational use, it allows to quickly develop an understanding of register operations and basic programming Features fixed, scientific or engineer number formats, trigonometric and hyperbolic calculations in radians, degrees or grades, basic statistical computations, linear correlations, combinations, etc. Swipe on the top result display area to view the arithmetic register stack, tap on the top to display other registers such as storage register, statistical registers and program steps Record programs such as a quadratic equation solver, or display graphs to visualize functions y = f(x) At any time look, copy and paste text style computations into e-Mails, notes, etc.
permutation group
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This app represents permutation group. You can have some understanding for permutation groups, S3 and D4.
Screenshots
Verdict
The clearest difference is iOS requirement: permutation group at 16.6 against x's 18.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | x | permutation group |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | FMILLET | Sungjun Kim |
In-app purchases
x
No in-app purchases
permutation group
No in-app purchases
