By default system will show zero decimal point for QTY and 2 decimal for U.PRICE.
Example : Sales Invoice
How to change decimal point in Sales Transaction
Step 1 : Go to Maintenence --> System Option --> Change QTY PRECISION = 2 --> SAVE
2. Step 2 : go to Transaction, you can see the QTY Decimal already change to 2 decimal
Edit Invoice format to show qty = 2 decimal point
Step 1 : Go to Report Designer and select format to amend
Step 2 : select QTY field --> click arrow button
Paste this format into Format String field : {0:#,#0.00;;""}
or you can select decimal format from (...) button
Kindly click below attachment to download