# Trying to decide on Elite vs X50 series before I buy

**URL:** https://forum.onefinitycnc.com/t/trying-to-decide-on-elite-vs-x50-series-before-i-buy/18141
**Category:** Elite Series (Masso & Redline) (Gen 1)
**Created:** [January 15, 2023, 12:14am UTC](https://forum.onefinitycnc.com/t/trying-to-decide-on-elite-vs-x50-series-before-i-buy/18141 "2023-01-15T00:14:02Z")
**Posts on this page:** 1
**Showing post:** 40

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### Author: ![349iq2345](https://avatars.discourse-cdn.com/v4/letter/3/bb73d2/32.png) [@349iq2345](https://forum.onefinitycnc.com/u/349iq2345)
#### Post date: [January 21, 2023, 8:48pm UTC](https://forum.onefinitycnc.com/t/trying-to-decide-on-elite-vs-x50-series-before-i-buy/18141/40 "2023-01-21T20:48:52Z")

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Hey Timplett,

a thread that initiated that the other day here is this one:

[Lets talk about ARCs and Circles (buildbotics controller)](https://forum.onefinitycnc.com/t/lets-talk-about-arcs-and-circles-buildbotics-controller/6820)

But in the end, every arc or circle is converted to x,y coordinates by the CNC controller, a CNC works this way. Question is which algorithm it uses, not only to convert it into x,y positions, but also how fast and how fluid the movement is computed. I would not buy a CNC controller without having checked how well it performs the g-code instructions, not only mechanically but also mathematically. How does the Masso controller do it?

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