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Scientific Calculator

Chrome extension by Raad Altaie · Productivity · Workflow

  • Featured
  • Established publisher

A Chrome extension in Productivity · Workflow with 100 000 users, a widely installed extension. Audience over the last 30 days: unchanged.

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
100 000
Rating
4.1 (96 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 100 000, so it moves only between steps)
Rating, last 30 days
-0.13 in 30 days
Version
2.5.25
Updated in the store
2026-10-28
Published
2017-08-13
Manifest
V3
Browser access
3 permissions

How it has moved

Users
unchanged since 29.09
100k · 3 readings
2026-10-10: released 2.0.02026-10-13: released 2.2.22026-10-14: released 2.3.62026-10-15: released 2.5.12026-10-16: released 2.5.22026-10-16: released 2.5.52026-10-17: released 2.5.62026-10-19: released 2.5.82026-10-20: released 2.5.142026-10-26: released 2.5.192026-10-28: released 2.5.25
  1. 2026-10-14100kreleased 2.3.6
  2. 2026-10-25100k
  3. 2026-10-29100k
Rating
-0.13 since 29.09
reviewsrating 4.15-4.28 · 3 readings
2026-10-10: released 2.0.02026-10-13: released 2.2.22026-10-14: released 2.3.62026-10-15: released 2.5.12026-10-16: released 2.5.22026-10-16: released 2.5.52026-10-17: released 2.5.62026-10-19: released 2.5.82026-10-20: released 2.5.142026-10-26: released 2.5.192026-10-28: released 2.5.25
  1. 2026-10-14reviews94rating4.15released 2.3.6
  2. 2026-10-25reviews96rating4.15
  3. 2026-10-29reviews96rating4.15
Users
unchanged since 31.08
100k · 5 readings
2026-10-10: released 2.0.02026-10-13: released 2.2.22026-10-14: released 2.3.62026-10-15: released 2.5.12026-10-16: released 2.5.22026-10-16: released 2.5.52026-10-17: released 2.5.62026-10-19: released 2.5.82026-10-20: released 2.5.142026-10-26: released 2.5.192026-10-28: released 2.5.25
  1. 2026-08-31100k
  2. 2026-09-13100k
  3. 2026-10-14100kreleased 2.3.6
  4. 2026-10-25100k
  5. 2026-10-29100k
Rating
-0.14 since 31.08
reviewsrating 4.15-4.28 · 5 readings
2026-10-10: released 2.0.02026-10-13: released 2.2.22026-10-14: released 2.3.62026-10-15: released 2.5.12026-10-16: released 2.5.22026-10-16: released 2.5.52026-10-17: released 2.5.62026-10-19: released 2.5.82026-10-20: released 2.5.142026-10-26: released 2.5.192026-10-28: released 2.5.25
  1. 2026-08-31reviews95rating4.28
  2. 2026-09-13reviews94rating4.28
  3. 2026-10-14reviews94rating4.15released 2.3.6
  4. 2026-10-25reviews96rating4.15
  5. 2026-10-29reviews96rating4.15

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.

  • Add items to the right-click menu contextMenus
  • Store data in your browser storage
  • Read your display setup system.display

The full permission history for this extension

Version history

  1. Version 2.5.25
  2. Version 2.5.19
  3. Version 2.5.14
Show the remaining 5
  1. Version 2.5.8
  2. Version 2.5.6
  3. Version 2.5.5
  4. Version 2.5.2
  5. Version 2.5.1

What changed recently

  1. Package size changed
  2. Store description rewritten (126 → 128 characters)
  3. Released version 2.5.25 (was 2.5.19)
Show the remaining 9
  1. Package size changed
  2. Released version 2.5.19 (was 2.5.14)
  3. Package size changed
  4. Released version 2.5.14 (was 2.5.8)
  5. Store description rewritten (46 → 126 characters)
  6. Released version 2.5.8 (was 2.5.6)
  7. Package size changed
  8. Released version 2.5.6 (was 2.5.5)
  9. Package size changed

Older entries and the full day by day series are in the app.

The publisher

Raad Altaie. Listed website: raad.dev.

Like this one

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

  1. SciCalc Sidekick — Scientific Calculator Describes nearly the same job, smaller audience 4 users
  2. Everything Calculator Describes nearly the same job, smaller audience 4 users
  3. Scientific Calculator Describes nearly the same job, smaller audience 6 users
  4. Free Scientific Calculator Describes nearly the same job, smaller audience 2k users ★ 4.1
  5. Multi Calculator Tool Describes nearly the same job, smaller audience 380 users ★ 3.8

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

<a href="https://extops.dev/extensions/fnplhdldnhaodknidfddmkfdhlhjihpd"><img src="https://extops.dev/extensions/fnplhdldnhaodknidfddmkfdhlhjihpd/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-25. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built