Description
You can easily create an online calculators for both yourself and your customers.
Easily add basic form elements like checkboxes, dropdown menus, radio buttons etc. with only a few clicks
For Example
Main features
 Any number of calculated fields can be added
 Easy and visual calculator interface
 Use checkboxes, dropdown menus, radio buttons and input elements for calculator
 “Dublicate” button to duplicate a form
 Create up to 3 calculators for your needs
 Copy and paste the shortcode of the window anywhere
 Grid style
 Configuring calculator styles
 Create custom formulas for calculating
 Stylize the result of the calculation
 Multiple calculation results for a calculator
Pro version
Discover even more features with the Pro version:
 Unlimited forms
 Integration with Mailchimp and Getresponse
 Send the message to the admin and user
 Add email to database
 Add form after post content
 Widget with form
 Copying and export of the contact list in .xls, .csv
Installation
 Installation option 1: Find and install this plugin in the
Plugins
>Add new
section of yourwpadmin
 Installation option 2: Download the zip file, then upload the plugin via the wpadmin in the
Plugins
>Add new
section. Or unzip the archive and upload the folder to the plugins directory/wpcontent/plugins/
via ftp  Press
Activate
when you have installed the plugin via dashboard or pressActivate
in the in thePlugins
list  Go to
WPcalc
section that will appear in your main menu on the left  Click
Add new
to create your first calculator  Setup your calculator
 Click Save
 Copy and paste the shortcode, such as [WPcalc id=1] to where you want the calculator to appear.
FAQ
 How to calculate?

 Calculation can be made only in item type “Result”
 Enter the calculation formula using fields values as field_1(Field 1 value), field_2(Field 2 value) … field_n(Field n value)
 To print the calculation result, use {result} in the field “Result”
Simple calculation: field_1 + field_2
 Which calculation operations are included?




 / – Simple arithmetic operations


 Math.abs(x) – Returns the absolute value of x
 Math.ceil(x) – Returns x, rounded upwards to the nearest integer
 Math.exp(x) – Returns the value of Ex
 Math.floor(x) – Returns x, rounded downwards to the nearest integer
 Math.log(x) – Returns the natural logarithm (base E) of x
 Math.pow(x, y) – Returns the value of x to the power of y
 Math.round(x) – Rounds x to the nearest integer
 Math.sqrt(x) – Returns the square root of x
 Math.max(x, y, z, …, n) – Returns the number with the highest value
 Math.min(x, y, z, …, n) – Returns the number with the lowest value
Example:
Math.round((field_1 + field_2 – field_3)*100)/100 – will return the calculation rounded to hundredths 
 How can I round the calculated result to 2 decimal digits?

For examle, we need to round the result of formula = field_1 + field_2 – field_3
 1 way. Use only function Math.round:
Math.round((field_1 + field_2 – field_3)*100)/100  2 way. Use function .toFixed(2):
(field_1 + field_2 – field_3).toFixed(2)
 1 way. Use only function Math.round:
 Where can I publish a form?

You can publish the forms into pages, posts and widget. The shortcode can be also placed into the template.
Reviews
Contributors & Developers
“WPcalc – create any online calculators” is open source software. The following people have contributed to this plugin.
ContributorsTranslate “WPcalc – create any online calculators” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
2.0
 NEW VERSION OF PLUGIN
1.2
 Fixed scripts
1.0
 Initial release