Calculator of electrical installation works #68

Script for calculating the cost of electrical installation work for the site.

========= Features

- Real-time calculation when selecting or changing an item.
- Ability to change prices and item names in HTML code.
- Clean and simple design
- Pure HTML5, CSS3, Javascript
- Doesn´t require jQuery
- Clean and valid markup
- The source code is correctly formatted and commented
- Main supported browsers
- Easy to install, configure, and styles
- The attached documentation for installation and configuration

========= Calculation parameters of the calculator

Installation of sockets, switches and replacement with new PCs.
Wiring p. m.
Installation of spotlights PCs
Installing a chandelier

= = = = = = = = = Calculation formula

Cost Electrical work = thread quantity*on price + wire quantity*price + lamps quantity*on price + chandelier quantity* on price