Within your course in Inquire, locate the Administration box on the left hand side of the webpage and click on Grades.
Locate the Turn editing on button on the upper right hand side of the webpage (you might need to scroll a bit to the right).
Find the student that whose grades you wish to edit. There will be two boxes in the gradebook of that student. The box on the left is for grades and the dashed box on the right is for comments.
Enter the grade in the left box. If you wish to add a comment about the grade, type a comment in the dashed box to the right. Continue for as many students as you need.
Click the Save changes button at the bottom of the page when you are finished entering grades.