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Free Scientific Calculator

Chrome extension by Free Apps · Productivity · Workflow

  • Featured
  • Established publisher

A Chrome extension in Productivity · Workflow with 2 000 users, a small but real audience.

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

What the developer says, and 1 screenshot

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

Users
2 000
Rating
4.1 (40 ratings)
Users, last 14 days
+1k
Rating, last 30 days
Not watched long enough to say
Version
3.0.1
Updated in the store
2022-10-24
Published
2022-10-24
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
+1k since 01.09
1k-2k · 4 readings
  1. 2026-09-011k
  2. 2026-09-041k
  3. 2026-09-052k
  4. 2026-09-142k
Rating
+0.023 since 01.09
reviewsrating 4.077-4.100 · 4 readings
  1. 2026-09-01reviews39rating4.077
  2. 2026-09-04reviews40rating4.100
  3. 2026-09-05reviews40rating4.100
  4. 2026-09-14reviews40rating4.100
Users
+1k since 01.09
1k-2k · 4 readings
  1. 2026-09-011k
  2. 2026-09-041k
  3. 2026-09-052k
  4. 2026-09-142k
Rating
+0.023 since 01.09
reviewsrating 4.077-4.100 · 4 readings
  1. 2026-09-01reviews39rating4.077
  2. 2026-09-04reviews40rating4.100
  3. 2026-09-05reviews40rating4.100
  4. 2026-09-14reviews40rating4.100

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.

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

Free Apps publishes 20 listings we track, 22k users between them.

  1. Character Count Tool Free Apps · Productivity · Workflow · published 2022-05-01 7k users ★ 4.7
  2. Open via Google Maps Free Apps · Productivity · Workflow · published 2022-10-24 6k users ★ 4.4
  3. QR Code Generator Free Apps · Productivity · Workflow · published 2022-10-24 2k users ★ 4.6
Show 5 more from this publisher
  1. HTML Formatter Free Apps · Productivity · Education · published 2022-07-10 1k users ★ 3.5
  2. JSON Formatter Free Apps · Productivity · Workflow · published 2022-07-09 1k users ★ 5.0
  3. HTML Obfuscator Free Apps · Productivity · Education · published 2022-10-24 1k users ★ 3.9
  4. SQL Formatter Free Apps · Productivity · Education · published 2022-07-09 628 users ★ 5.0
  5. Eyedropper Tool - Color Chooser Free Apps · Productivity · Tools · published 2025-06-12 304 users

Like this one

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

  1. Scientific Calculator Describes nearly the same job, smaller audience 7 users
  2. Multi Calculator Tool Describes nearly the same job, smaller audience 383 users ★ 3.8
  3. Calculator+ Describes nearly the same job, smaller audience 18 users
  4. Calculator Describes nearly the same job, smaller audience 1k users ★ 5.0
  5. HyperCalculator Describes nearly the same job, smaller audience 14 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.