Calculator

A simple calculator that remembers your last calculation. You can close it at any time and reopen it without losing your work.

Calculator is a lightweight and simple Chrome extension providing basic arithmetic functionalities with the added benefit of remembering your last calculation. Designed for ease of use, it supports essential operations and lets you close and reopen the calculator without losing your work.

Key features include full keyboard shortcut support (number pad, enter, clear, delete), offline functionality, copy/paste capabilities, and quick access to functions like percentage, square root, and toggling positive/negative values. Its minimal design ensures quick, hassle-free calculations for everyday math needs, making it an ideal tool for users who want a persistent calculator without complex features.

By:
LinangData
Daily users:
2,360+ 21
Rating:
4.37
(38)
Version:
1.7.4resigned1 Last updated: 2024-04-25
Version code:
5730116
Creation date:
2018-03-19
Risk:
Very low risk impact Moderate risk likelihood
Size:
507.54K
Email:
in*****@linangdata.com
URLs:
Website
Full description:
See detailed description
Source:
Firefox Browser Add-ons
Updated:
a day ago

Other platforms

Calculator (v2.0.0)
4,000+ 4.00 (6)
Calculator (v1.8.2)
18,581+ 4.70 (9)

User reviews

Users find the Calculator add-on simple and accurate for basic calculations. However, many are frustrated by missing features such as history, parentheses support, and symbolic input. Keyboard input limitations and editing difficulties are common complaints, reducing overall usability.
Pros
  • Simple and easy to use.
  • Performs calculations accurately and quickly.
  • Useful for basic arithmetic needs.
Cons
  • Lacks important features like history and use of parentheses.
  • Inputting symbols via keyboard is not supported; only numbers can be typed.
  • Inputs sometimes appear at the front randomly, making editing difficult.
  • Cannot use keyboard for input, requiring mouse clicks on buttons.
Recent reviews
by Phil Achtzehner, 2025-05-06


View all user reviews ›

Extension safety

Risk impact

Calculator does not require any sensitive permissions.

Risk impact analysis details
  • Low This permission has no access or impact on the user's system or data, thus carrying no risk.
Risk likelihood

Calculator is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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