ROUNDDOWN is not working correctly

Bug in ROUNDDOWN function:
if I put =ROUNDDOWN(100000000,3) in the spreadsheet cell, it shows 1215752.192 as a result. The correct result is 100000000.

OS Version: Windows 11 24H2 build 26100.4061
App version: ONLYOFFICE version 8.3.3.21 (x64 exe)
Downloaded from: ONLYOFFICE website

Hello @alex-khokhlov

We are aware of this issue and working on it. Thank you for the report.

Hello @alex-khokhlov

I’d like to inform you that we are in the process of releasing new version 9.0 of Desktop Editors. This version brings the fix to the issue discussed in this topic, please update the app and check the situation again.

The update will be available shortly.