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Engineering Calculator VOLTA-12

, 4 Oct 2012 CPOL
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Productivity software implemented as pure HTML5/CSS3/Javascript solution, encapsulated in a single text file does not require any image files. Can run in all major browsers, and also is intended to add ability of standalone operations under Windows OS on Ultrabooks.
This is an old version of the currently published article.

Please note

This article is an entry in our AppInnovation Contest. Articles in this sub-section are not required to be full articles so care should be taken when voting.


Engineering Calculator VOLTA-2012 is implemented as HTML 5 web application project that adheres to software paradigm of separation of programming concerns, namely:

  • Content: HTML5
  • Presentation: CSS3
  • Functionality: Javascript/jQuery

Entire project is encapsulated in a single text file with extremely small digital footprint (less than 10kB). It does not require any graphic files, like .jpg or .png, etc. All aesthetic enhancements, like: rounded corners, color gradients, borders and shadows are achieved exclusively via CSS3 styling, thus resulting in small application footprint and very fast web page load.

Ultrabook features 

  • Tilt Sensor: to switch between portrait/landscape screen layout (TBD) 
  • Touch screen 
  • Geo-location data to query the Power Mains database (TBD)

Proposed solution should be able to run in Desktop/Metro modes .


Engineering Calculator VOLTA-2012 extends the capability and application scope of its predecessor, previously published online [1,2] and partially described on Codeproject (see the link: Engineering Calculator VOLTA-2012)


Working Demo of Engineering Calculator VOLTA-2011 is available online: click on the snapshot image shown below and you will be redirected to the demo page implemented fully-functional calculator:

Engineering Calculator VOLTA-2011

Using the code

The code base of existing Calculator VOLTA-2011 has been well documented, commented and discussed online [2]. User Manual is also available online at:[1]

The next version of Calculator VOLTA-2012 (currently under development) will extend the application package and add the capability of running in standalone mode on any Windows-equipped computer, in particular, Ultrabooks.


Engineering Calculator VOLTA-2012 (HTML5 web application) has been released in the year 2011 [1,2]

Calculator VOLTA-2011 has been tested on new Apple iPad version (iPad 3) Read the entire article on Examiner: New iPad 3 is here: quick notes from Apple store on Fifth (Mar 17, 2012)


  1. Online Engineering Calculator Volta-2011, User Manual[^]
  2. Online Engineering Calculator Volta-2011, Design Notes[^]


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

President Infosoft International Inc
United States United States
Dr. A. Bell has 20+ years of Software and Electrical Engineering experience: Win/Web veteran, published 300+ articles and authored 37 inventions, credited for 10+ Enterprise level projects (>250k code lines); currently focused on .NET/WPF, C#, HTML5, jQuery, SQL, 'Big Data', AI, Speech Tech and Mobile apps. He participated in App Innovation Contest (AIC 2102/2013) with several winning submissions. Sample projects/pubs follow:
  1. Edumatter M12: School Math Calculators and Equation Solvers (contest winner)
  2. Engineering Calculator VOLTA-2013 (contest winner)
  3. WebTV Project: Embedded YouTube Player (Goog #1 YouTube API for ASP.NET)
  4. Online 3 Fractions Calculator (#1 on Goog)
  5. Top-100 Digital Cameras (powered by iMark-DCAM rating engine)
  6. Engineering Calculator VOLTA-814 for Windows
  7. Pericles™ TTS-14 Text-to-Speech Synthesizer (Win)
  8. Semaphon™ SP-300 semantic phone number converter (Win)
  9. PaydayNY-2015 Payroll Tax Calculator (Win)
  10. 'Find Job Agency' Online Interactive Map (Microsoft Bing technology)
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Comments and Discussions

Discussions posted for the Published version of this article. Posting a message here will take you to the publicly available article in order to continue your conversation in public.
QuestionWhy? PinmvpSergey Alexandrovich Kryukov18-Feb-15 8:18 
GeneralMy vote of 5 Pinmembermajid torfi27-Oct-14 20:31 
GeneralRe: My vote of 5 PinprofessionalDrABELL28-Oct-14 3:50 
GeneralMy vote of 5 PinprofessionalAgent__00716-Oct-14 23:28 
GeneralRe: My vote of 5 PinprofessionalDrABELL17-Oct-14 4:04 
GeneralMy vote of 3 Pinmemberfredatcodeproject10-Oct-13 1:52 
GeneralRe: My vote of 3 PinprofessionalDrABELL10-Oct-13 3:09 
GeneralRe: My vote of 3 Pinmemberfredatcodeproject11-Oct-13 0:45 
QuestionProject and source code. PinmemberMember 1029605226-Sep-13 22:56 
GeneralMy vote of 5 PinmemberAzim Zahir9-Aug-13 23:29 
GeneralRe: My vote of 5 PinprofessionalDrABELL10-Aug-13 2:44 
GeneralMy vote of 5 PinmemberArt Tres8-Jul-13 8:56 
GeneralRe: My vote of 5 PinprofessionalDrABELL29-Oct-14 5:04 
GeneralMy vote of 5 PinmemberPhat (Phillip) H. VU26-Dec-12 23:48 
GeneralRe: My vote of 5 PinmemberDrABELL27-Dec-12 4:05 
GeneralMy vote of 5 PinmemberAbhishek Nandy10-Dec-12 22:25 
GeneralRe: My vote of 5 PinmemberDrABELL11-Dec-12 4:46 
GeneralRe: My vote of 5 PinmemberAbhishek Nandy11-Dec-12 19:46 
GeneralMy vote of 5 PinmemberAkram El Assas9-Oct-12 22:33 
GeneralRe: My vote of 5 PinmemberDrABELL10-Oct-12 3:05 
GeneralMy vote of 5 PinmemberRoshan D9-Oct-12 16:52 
GeneralRe: My vote of 5 PinmemberDrABELL9-Oct-12 18:46 
GeneralMy vote of 5 PinmemberSergio Andrés Gutiérrez Rojas8-Oct-12 21:28 
GeneralRe: My vote of 5 PinmemberDrABELL9-Oct-12 5:16 
GeneralMy vote of 5 PinmemberMohammad A Rahman8-Oct-12 21:01 

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