FEATURES
✔ Useful button on admin top bar for add calculator

Install
✔Upload archive calculator.ocmod.zip in Extensions > Extension Installer
✔Refresh the modifications cache in Extensions > Modifications
✔Refresh theme cache in Dashboard > Developer Settings

* This extension did not overwrite any core file! But Please Backup you Database before Install for safety reasons.
* It is free distribution and there is no time for any support thank you.
* Είναι δωρεάν διανομή και δεν υπάρχει χρόνος για support ευχαριστώ.