Magento – Change currency precision in Magento 2 Product detail page

magento2

how to change the currency's precision?

want to change the precision from 2 decimal places to 3 in plp and pdp .

changed or extend function format() in module-directory\Model\PriceCurrency.php

it effect for list and cart page but in product detail page still it shows 2 decimal place

how to fix this issue

Not recommended, but fix it this issue. See vendor\magento\module-catalog\view\base\web\js\price-utils.js

See line 38

Change var precision = isNaN(format.requiredPrecision = Math.abs(format.requiredPrecision)) ? 2 : format.requiredPrecision, to

var precision = you_presigion,

Try below code in cms page, If you want to call phtml with in cms page.

{{block class="Magento\Bannerslider\Block\Slideshow" template="Magento_Bannerslider::bannerslider.phtml"}}

In vendor\magento\zendframework1\library\Zend\Locale\Data\ar.xml change :

<symbols numberSystem="arab">
    <decimal>,</decimal>

<symbols numberSystem="arab">
    <decimal>.</decimal>

In php ode level it happens in vendor \magento\zendframework1\library\Zend\Locale\Data.php in getList() method.

you can see switch statement there and you can do the changes in case 'symbols':

But, make sure cache is cleared before testing (in local system some times cache will lead to the changes not getting reflected properly)