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Number Theory Lab

Chrome extension by MentalCrafts · Productivity · Education

A Chrome extension in Productivity · Education with 9 users, barely installed. Audience over the last 30 days: +4.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
9
Rating
not rated yet
Users, last 30 days
+4
Version
1.0.0
Updated in the store
2026-08-12
Published
2026-08-12
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
+4 since 03.10
5-10 · 15 readings
  1. 2026-10-056
  2. 2026-10-095
  3. 2026-10-116
  4. 2026-10-135
  5. 2026-10-176
  6. 2026-10-207
  7. 2026-10-216
  8. 2026-10-237
  9. 2026-10-246
  10. 2026-10-255
  11. 2026-10-266
  12. 2026-10-298
  13. 2026-10-309
  14. 2026-11-0110
  15. 2026-11-029
Users
+6 since 31.08
0-10 · 25 readings
  1. 2026-08-313
  2. 2026-09-020
  3. 2026-09-053
  4. 2026-09-066
  5. 2026-09-077
  6. 2026-09-086
  7. 2026-09-107
  8. 2026-09-178
  9. 2026-09-216
  10. 2026-09-255
  11. 2026-10-056
  12. 2026-10-095
  13. 2026-10-116
  14. 2026-10-135
  15. 2026-10-176
  16. 2026-10-207
  17. 2026-10-216
  18. 2026-10-237
  19. 2026-10-246
  20. 2026-10-255
  21. 2026-10-266
  22. 2026-10-298
  23. 2026-10-309
  24. 2026-11-0110
  25. 2026-11-029

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

MentalCrafts publishes 7 listings we track, 71 users between them.

  1. Deep Hour MentalCrafts · Productivity · Tools · published 2026-08-13 13 users
  2. EyeHealth Tracker & Break Reminder MentalCrafts · Lifestyle · Well Being · published 2026-08-02 12 users ★ 5.0
  3. Bookworm MentalCrafts · Productivity · Tools · published 2026-08-13 11 users
Show 3 more from this publisher
  1. Personalized Profiler MentalCrafts · Productivity · Tools · published 2026-08-10 10 users
  2. BadgeSaver for Credly MentalCrafts · Productivity · Tools · published 2026-08-15 10 users
  3. OmniQA — All-in-One QA & Testing Companion MentalCrafts · Productivity · Developer · published 2026-10-27 6 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. atcoder-math-and-algorithm-extension Describes nearly the same job, smaller audience 24 users
  2. Auto Calculator Describes nearly the same job, smaller audience 20 users ★ 5.0
  3. 1Math: Scientific Calculator & Converter Describes nearly the same job, smaller audience 26 users
  4. AI Math Solver & Calculator - Symbolab Describes nearly the same job, with an established audience 30k users ★ 4.3
  5. Math Solver for Chrome – AI Math Problem Solver Describes nearly the same job, with an established audience 10k users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built