SAP is just as bad - at my last place there was a member of staff who worked 4 days a week - SAP could never get the rounding on their annual leave correct, oft

SAP is just as bad - at my last place there was a member of staff who worked 4 days a week - SAP could never get the rounding on their annual leave correct, often leaving them with 0.999 or 0.499 days left that they couldn't book. We had to just record it manually.