Grades
Highest grade still reachable
Set the exam score to a perfect 1.0. From 82 with a 30 per cent final, 0.574 + 0.30 = 0.874, so 87.4 per cent is the ceiling and a target of 90 is 2.6 points beyond it.
The Formula
Max possible = Current x (1 - Final weight) + Final weight
Set the exam score to a perfect 1.0. From 82 with a 30 per cent final, 0.574 + 0.30 = 0.874, so 87.4 per cent is the ceiling and a target of 90 is 2.6 points beyond it.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| C | Current standing before the final | percent | A higher standing raises the ceiling one for one. |
| wf | Weight of the final exam | percent | Contributes directly, since a perfect exam earns the full weight. |
What Each Symbol Means
Cpercent
Current standing before the final
A higher standing raises the ceiling one for one.
wfpercent
Weight of the final exam
Contributes directly, since a perfect exam earns the full weight.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate the grade you need on the final page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate The Grade You Need On The Final, filed under Education. Every number the guide produces comes from substituting into this one line.