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Advanced Calculator

Chrome extension by Professor Calcul · Productivity · Tools

  • Featured
  • Established publisher

A Chrome extension in Productivity · Tools with 10 000 users, an established extension.

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
10 000
Rating
4.8 (85 ratings)
Users, last 10 days
+1k
Rating, last 30 days
Not watched long enough to say
Version
1.2.3
Updated in the store
2026-09-03
Published
2024-02-05
Manifest
V3
Browser access
1 permission

How it has moved

Users
+1k since 01.09
8k-10k · 5 readings
2026-09-02: released 1.2.02026-09-03: released 1.2.12026-09-03: released 1.2.3
  1. 2026-09-019k
  2. 2026-09-028kreleased 1.2.0
  3. 2026-09-069k
  4. 2026-09-0810k
  5. 2026-09-1010k
Rating
unchanged since 01.09
reviewsrating 4.76 · 5 readings
2026-09-02: released 1.2.02026-09-03: released 1.2.12026-09-03: released 1.2.3
  1. 2026-09-01reviews85rating4.76
  2. 2026-09-02reviews85rating4.76released 1.2.0
  3. 2026-09-06reviews85rating4.76
  4. 2026-09-08reviews85rating4.76
  5. 2026-09-10reviews85rating4.76
Users
+1k since 01.09
8k-10k · 5 readings
2026-09-02: released 1.2.02026-09-03: released 1.2.12026-09-03: released 1.2.3
  1. 2026-09-019k
  2. 2026-09-028kreleased 1.2.0
  3. 2026-09-069k
  4. 2026-09-0810k
  5. 2026-09-1010k
Rating
unchanged since 01.09
reviewsrating 4.76 · 5 readings
2026-09-02: released 1.2.02026-09-03: released 1.2.12026-09-03: released 1.2.3
  1. 2026-09-01reviews85rating4.76
  2. 2026-09-02reviews85rating4.76released 1.2.0
  3. 2026-09-06reviews85rating4.76
  4. 2026-09-08reviews85rating4.76
  5. 2026-09-10reviews85rating4.76

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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.

  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.2.3
  2. Version 1.2.1
  3. Version 1.2.0

What changed recently

  1. Released version 1.2.3 (was 1.2.1)
  2. Released version 1.2.1 (was 1.2.0)
  3. Package size changed
Show the remaining 1
  1. Released version 1.2.0 (was 1.1.2)

The publisher

Professor Calcul. Listed website: advanced-calculator.wp.undying.online.

Like this one

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

  1. Floating Scientific Calculator Pro: Offline Math Tool. Describes nearly the same job, smaller audience 77 users
  2. Scientific Calculator Describes nearly the same job, smaller audience 7 users
  3. Calculator Extension Describes nearly the same job, smaller audience 34 users
  4. SlideCalc Describes nearly the same job, smaller audience 4 users
  5. Calculator Describes nearly the same job, smaller audience 51 users

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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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.