Embed code · widget · Math
Embed the Modular Arithmetic Calculator on your site
Add the Modular Arithmetic Calculator to any page. Copy the code below — it auto-resizes and follows your site theme.
Preview
Theme
<div class="calcro-widget" data-tool="aritmetica-modulara" data-locale="en" data-theme="auto">
<a href="https://calcula.ro/en/modulo-calculator">Modular Arithmetic Calculator — calcula·ro</a>
</div>
<script async src="https://calcula.ro/widget.js"></script>iAbout this calculator
Instantly calculate the remainder (a mod n) and the modular power (aᵇ mod n), useful in programming and cryptography.
?Frequently asked questions
Is it free?
Yes. No account and no impression limit.
Can I embed the Modular Arithmetic Calculator on WordPress or another CMS?
Yes. It works anywhere you can paste HTML — WordPress, Wix, Webflow or plain HTML.
Will it slow my site down?
No. The widget lazy-loads inside an isolated iframe and only runs when it becomes visible.
Is it mobile-friendly?
Yes. It fills the container width: side-by-side on wide screens, stacked on mobile.