There are multiple ways to delete entries from registers for students.
1. Student Register Page
Search for the student in the main search bar above the menu
In the results, click on "Register" under the student result.
Scroll down to "Daily Monitor"
The current month will be displayed which you can change to any month or date range.
Within that all the entries for each day will be there, you can click the to delete the entry
2. Delete multiple entries at once
On the Register Dashboard, click on the Delete Entries button at the top
Fill the form according to what you want to delete.
If it's for a specific student or students, you can enter that in the student ID's separated by commas. E.g. to delete entries between certain dates for students 3, 9 and 11 you will enter "3,9,11" in that field.
Type your name exactly as it is in your profile (You can check on the top right corner of the screen for the spelling) and click on "Delete Now"