This plugin allows users to put a My Mitsu form in your website's widget area.

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Shortcode for My Mitsu Estimation Form

This plugin allows users to put a My Mitsu estimation form in your website.

Oembed for My Mitsu Estimation Form

This plugin allows users to put a My Mitsu form in your website.

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My Mitsu, is a webservice in Japan, allows users to create an estimation(calculation) form. A powerful form allows you to create a conditional form with calculation, and outputs a PDF file. It is suited for business persons. 
https://my-mitsu.com/ (written in Japanese.)
This plugin allows you to output an iframe html tag which displays a my mitsu form in your website’s widge area.
<ul>
<li>Note * In order to create an estimation form, you need to register My Mitsu https://my-mitsu.jp/register .</li>
</ul>
Filter Sample
This plugin allows you to set your default values for URL, ID, width, and height. You can alter them by hooking the “mymitsu_widget_default_***” filter. Here is a sample code.
<pre><code>add_filter( 'mymitsu_widget_default_width', 'my_widget_default_width' );
 function my_widget_default_width() {
 return 400;
 }
</code></pre>

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