» Golden Ratio Calculator


Initial Data


\begin{align} \phi &= \frac{a+b}{a}=\frac{a}{b}\\ \\ \phi &= 1.6180339887498948482... \end{align}




NYYD Luxury Gift Basket for Women

The Perfect Gift for Woman

A luxurious gift set designed to relax, inspire, and elevate her everyday routine.

Available on Amazon

Playful learning for kids. Get the App!

TeddyBase is a playful educational app for iPhone and iPad, developed by calkoo.com team — perfect for kids and families to explore, learn, and imagine together! Learn colours, letters, shapes and more!

Download on the App Store
14-inch Stainless Steel Locking Kitchen and Grill Tongs

The Grill Master’s Secret Weapon for Christmas

Level up your BBQ game with tools that make you look and feel like a pro.

Available on Amazon