Math Operators Puzzle (abcd=e) vs Feynman rules
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Math Operators Puzzle (abcd=e)
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Discover the thrill of our interactive number puzzle game! You're given four numbers (a, b, c, d) and a target result (e). Your mission? Use your creativity and strategic thinking to place operators between the numbers and achieve the desired result. It's a brain workout that combines fun with learning, similar to games where 4 equals 10. Can you find the right combination to crack each puzzle? Challenge yourself and enjoy the satisfaction of mathematical success!
Feynman rules
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This app introduces Feynman rules. You can get some understanding for Feynman diagrams. E is external point, V is vertex, P is propagator, and S is symmetry factor.
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Verdict
The clearest difference is iOS requirement: Math Operators Puzzle (abcd=e) at 11.0 against Feynman rules's 16.0. 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 | Math Operators Puzzle (abcd=e) | Feynman rules |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 32 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Dhiraj Sharma | Sungjun Kim |
In-app purchases
Math Operators Puzzle (abcd=e)
No in-app purchases
Feynman rules
No in-app purchases
Questions
Is Math Operators Puzzle (abcd=e) free?
Is Feynman rules free?
Do Math Operators Puzzle (abcd=e) or Feynman rules have ads?
Other comparisons
