One different scientific calculator...

Latest Version

Version
4.0
Update
September 17, 2018
Size
632KiB
Developer
melanto.com
Category
Users
10,000+
Rating
4.17308 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions
ClipboardRead
ClipboardWrite
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Melanto Calculator Extension

This is kinda unusual scientific calculator.

What makes it unusual is that you can see both sides of the current binary operation. For example -- if you type 2 + 2 you'll see exactly \"2 + 2\" until you press \"=\". The tool was made with touch-screen in mind and should be ready for touch-screen chromebooks.

On devices with keyboard you can use the obvious keys: number keys, dot (floating point), +, -, *, /, Enter (=), ESC (C) and Backspace. The advanced (\"scientific\") functions are not yet accessible with keyboard shortcuts (but better keyboard support is planned for the next releases).

The initial goal of this extension was to be a real-life example of jQuery Mobile (and it worked as such) but somehow, with the time, more options were added and it became full-featured scientific calculator. It is, however, still work in progress, so let me know if you find a bug, if something isn't working or if you want to see new feature added.

Options:

There are 3 different “themes” for you too choose from. You can change the theme from the options page. Select between black, white or the original “3d buttons”. (Just click the “options” link at the bottom-right of the extension's popup and select the respective theme from the list)

Other versions of Melanto Calculator

The same tool is available in 3 different versions: this one (extension added to the toolbar), as standalone chrome app (adding calculator icon to the apps page and opening the tool in its own browser tab) and as “desktop” app (pens the calculator in separate window, simulating desktop app). Here are the other two versions:

App version:
https://chrome.google.com/webstore/detail/melanto-calculator/nioffklpggjkmgpndbfklpnclpohpjid

“Desktop” version:
https://chrome.google.com/webstore/detail/calculator/inhhlmhdllknkepmabbkhnlbaddllabl

All the 3 versions come with the same underlying code but I couldn’t create one single tool to address all the 3 ways of use because Chrome doesn’t allow apps to add icon to the toolbar (so we need the extension), while extension can’t add icon to the apps page (so we need an app) and then, at some moment Chrome offered the “packaged apps” option and I made the “desktop” version for those who want it in separate window, acting as separate app…

DISCLAIMER OF WARRANTIES:
MELANTO CALCULATOR IS PROVIDED “AS IS” AND WITHOUT WARRANTY OF ANY KIND

www.melanto.com
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "Melanto Calculator", "description": "One different scientific calculator...", "short_name": "Calculator", "version": "4.0", "homepage_url": "https://melanto.com/calculator-info.html", "browser_action": { "default_popup": "index.html", "default_icon": "19.png", "default_title": "Melanto Calculator" },"background": { "scripts": ["install.js"], "persistent": false }, "icons": { "19": "19.png", "128": "128.png" }, "manifest_version": 2, "offline_enabled": true, "commands": { "_execute_browser_action": { "suggested_key": { "default": "Alt+C", "windows": "Alt+C", "mac": "Alt+C", "chromeos": "Alt+C", "linux": "Alt+C" } } }, "permissions":["clipboardRead","clipboardWrite"], "options_page": "options_page/index.html"}
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How to download and manually install Melanto Calculator extension for Chrome

Looking for a way to install Melanto Calculator extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Melanto Calculator extensions manually, this article outlines two simple methods to effortlessly install Melanto Calculator extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Melanto Calculator extension and manually install through Drag &Drop

If you ever need to manually install a Melanto Calculator extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Melanto Calculator Extension by clicking the "Download CRX" button on the website.

Look for the Melanto Calculator extension you wish to install. Go to the website and download the Melanto Calculator extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Melanto Calculator extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Melanto Calculator extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Melanto Calculator extension for Chrome and install in Developer Mode

This is another method to install Melanto Calculator extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Melanto Calculator extension file

Select and download the Melanto Calculator extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Melanto Calculator extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Melanto Calculator extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Melanto Calculator extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Melanto Calculator extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Elmonious (ID: 00000055748a0da0) Voted 4 ★ - Updated 08/19/2021 It is very useful and works well, but could you please make it so the calculator tab is moveable.

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Antonio Ornelas (ID: 0000009515e2ceef) Voted 4 ★ - Updated 01/29/2021 💯🎯🎯

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sher ali (ID: 000000d7b635b8c7) Voted 3 ★ - Updated 09/07/2020 too much slow.but always use this extention

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Scott “Lumpy Cow” Kurjanski (ID: 0000006dd5f7d58a) Voted 5 ★ - Updated 03/03/2020 Excellent app. Thank you!

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Navid Aslam (ID: 00000032a158b6e4) Voted 5 ★ - Updated 02/17/2020 great............