CRX id
cnjgmjapoeomdpjlndhpeekdlkcdnkgd
cnjgmjapoeomdpjlndhpeekdlkcdnkgd
Description from extension meta
Open a side panel to calculate values from the webpage.
Image from store
Description from store
This Chrome extension is an advanced calculator and number extraction tool designed to streamline calculations directly within your browser. It offers a user-friendly interface for performing a wide range of mathematical operations, managing calculation history, and extracting numbers from web pages with ease.
Key Features:
Flexible Number Input:
Enter numbers manually, separated by spaces, commas, or semicolons, or extract them directly from web pages using box selection or double-click.
Comprehensive Operations:
Perform essential calculations including:
Sum:
Add multiple numbers.
Average:
Calculate the mean of a list of numbers.
Subtract:
Subtract a sequence of numbers from the first.
Multiply:
Multiply several numbers together.
Divide:
Divide the first number by each subsequent number in sequence.
Percentage:
Calculate a percentage of a base value (e.g., “What is 20% of 150?”).
Calculation History:
Every calculation is saved in a history list, showing the operation, input values, and result.
Rounding:
For decimal results, quickly round to 2 or 3 decimal places with a single click.
Chained Calculations:
Instantly reuse the latest result in a new calculation (e.g., use the result of a sum as the base for a percentage calculation).
Copy All:
Copy your entire calculation history in a readable format to the clipboard for easy sharing or record-keeping.
Number Extraction from Web Pages:
Box Selection:
Highlight a region on any web page to extract all numbers within that area.
Double-Click:
Double-click a number on a web page to add it directly to your calculator input.
User-Friendly Interface:
Clear all inputs and history with a single click.
Intuitive buttons for each operation.
Responsive design for seamless use alongside your browsing.
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Examples:
1. Sum Example:
Input: 12, 7.5, 3
Click “Sum” → Result: 22.5
History entry:
12 + 7.5 + 3 = 22.5
2. Average Example:
Input: 10 20 30 40
Click “Average” → Result: 25
History entry:
10 + 20 + 30 + 40 ÷ 4 = 25
3. Percentage Example:
Input: 150 20
Click “Percentage” → Result: 30
History entry:
150 x (20%) = 30
4. Chained Calculation Example:
After calculating a sum of 100
, click “Use Result”, select “Multiply”, enter 2
, and click “Calculate” → Result: 200
History entry:
100 x 2 = 200
5. Extracting Numbers from a Web Page:
Click the “Box Select” button, highlight a table of numbers on a web page, and all detected numbers are added to your input area for instant calculation.
Double-click a price or value on a web page to add it directly to your calculator.
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Perfect for:
Students, accountants, analysts, or anyone who needs to quickly crunch numbers while browsing.
Copying calculation results and history for reports, emails, or spreadsheets.
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