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Compact, Fast, and Powerful easy-to-use calculator. This calculator can solve very complex expressions and equations with no sweat. A very simple, compact, yet powerful calculator. It can solve equations and expressions in an instant, without much work from the user and no wait. All you have to do is click on the extension, type in an expression or equation, and the calculator will do the rest.
Melanto 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. 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) 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: 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
Mouseless Stack-Calculator Ext
An innovative RPN and stack-calculator with keyboard input (as chrome extension) Mouseless Stack-Calculator is a innovative calculator and currency converter with fast keyboard entry. It has two modes: an RPN-mode and a stack-mode. The well known RPN stands for Reverse Polish Notation and it saves you time as it avoids the use of parenthesis. The only catch is that the entry of data is a bit different to what most people expect, so you have to learn to work with it. The stack-mode of this calculator is new. It's a bit similar to RPN in the way that is also uses a stack an avoids the use of parenthesis. But it's unique in the way that it has no reversed data entry but follows the 'normal' sequence. All calculations can be done by use of the keyboard, so no time consuming mouse clicks. It can handle both real and complex numbers and supports different notations. Mouse Stack-Calculator is available as Chrome extension, as desktop app and can run in a webbrowser window. - Flexible and intuitive user interface - Complete insight in entered expression - All the advantages of RPN in RPN-mode - Keyboard for all data entry (as you would expect from a calculator) - Most frequent used instructions only need 1 key; other instructions 2 keys - Integrated currency converter with actual rates - Arbitrary-precision decimal representation (no rounding errors), thanks to MikeMcl - Multi-level undo - Support for complex numbers and polar/rectangular conversions - Flexible number notation: normal, financial, integer, scientific, engineering, h:m:s, h:m, hexadecimal, octal, binary, fractions, complex (rectangular and polar) - 30 last answers - 30 memories to store intermediate results - Stack and memory are saved on your computer for future use - Copy results to clipboard for use in other programs - Mathematical calculations - Works with hours (or degrees), minutes, seconds - Statistical and probability calculations - Financial calculations like CAGR, Annuity and CashFlow - Physical constants and conversions Version 1.240 - Bug fix: accept entry with negative exponent correctly Version 1.230 - Extension ported to MS-Edge - Last position of window is saved - ECB now only provider of daily exchange rates (yahoo removed) - Minor bugs fixed Version 1.220 - No thousandseparator in case of hexadecimal, octal and binary numbers - Bug fix: corrected displayed expression in case of inverse function (1/x) - Extension now standard opens in seperate window; letter [b] no longer used Version 1.210 - Notation integer added - Bug fix: trig functions now work again with degrees - Bug fix: entry if digit f in hexadecimal now working - Minor bugs fixed Version 1.200 - Support for complex numbers - Support for multiple languages (now English and Dutch) - Exchange menu feeded with conversion results - New menu for notations - Last_x added Version 1.110 - Added ctrl-c and ctrl-v for copy and paste clipboard - Bug fix: clear stack now really cleared Version 1.000 - First release for PortableApps - Added notation for fractions - Data entry of fractions, e.g. 3\16 (internally calculated as 0.1875) - Bug fix: correct hex numbers entry - Bug fix: correct h:m:s numbers entry Version 0.810 - Fixed minor bugs - Desktop version (based on NodeWebkit) added - Version 5.01 of decimal.js included - Option to display, enter and calculate hexadecimal, octal and binary numbers Version 0.800 - Integration of decimal.js that provides arbitrary-precision decimal representation (thanks to MikeMcl) - Stopped using cookies, now uses local storage (as web-application) and chrome storage (as chrome extension and app) Version 0.723 - Added compatibility to work as Chrome extension, as packaged app and in webbrowser - Minor bugs Version 0.700 - Option added to work with hours:minutes:seconds (or degrees:minutes:seconds) - Changed initial precision to 16 to prevent rounding errors - Prevent display of e+0 and e-0 in scientific notation Version 0.603 - link to homepage in footer added - script for google analytics added Version 0.60 - Integration of stack-calculator and rpn-calculator - Improvement of data entry for financial calculations Version 0.50 - Major revision of layout to make user interface more simple - History sheet skipped in favor of calculated formulas + lastanswers memory - Formula of executed calculation in every stack memory - Lastanswer memory increased to 30 places - Improved user interface for financial calculations - Only one memory block (30 places) - Covariance and correlation functions skipped Version 0.44 - Last Answers as default memory - Option added to paste clipboard content in x-register - Corrected rounding in memories and history sheet - Entry of negative exponent in scientific notation with minus-key - Added thousands separator as option under [o] notation Version 0.40 - Financial calculations more logical and user friendly (submenus for CAGR, Annuity and Cashflow calculations) - Extra Memory-block with Last Answers (press [z] twice) - Scroll direction of History-box corrected - Some minor bugs Version 0.30 - First release as Chrome extension
Quick VAT Calculator
Quick VAT Calculator allows you to quickly calculate VAT without leaving Google Chrome. This extension is a great time saver if your using a cloud based accounting systems or shopping around for your company and need to work out pricing. Now you never have to leave your browser to open the OS native calculator to find out the VAT of a product/service or open a new tab, simply tap in the amount & let Quick VAT Calculator do the rest for you! For ease & speed Quick VAT Calculator calculates VAT at 20% but you can change this to a custom amount. This will be updated as & when the UK government change the rates. * Quick & easy to use for multiple entries. * Add & subtract VAT at the click of a button. * Options for default VAT amount & currency. If there is a feature or improvement to Quick VAT Calculator you'd like to see then please drop us a line. Version 1.2 * Options - Ability to preset a custom VAT amount & currency. * Added automatic focus on the value input. * Refactored & restructured extension. Version 1.1 * Added support for custom VAT amounts. * Removed external requests.
Calculator
A simple and intuitive calculator to help you with your work. Opens directly on the site page Simple and intuitive calculator. Open by clicking on the icon. The design of the calculator is nice and similar to the design of ios calculator. The calculator supports basic arithmetic operations: addition, subtraction, multiplication, division. The operations of entering the number and keyboard of the computer are available. In the new update, it became possible to open the calculator directly on the website page. To open the calculator on the website page, select "Open calculator" in the context menu. You can drag the calculator to anywhere on the web page. There is advertising in the extension, advertising helps us make our products better.
