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This is a GPA calculator based on the high school GPA grading system.

1. GPA Calculation

Calculates GPA by grade and semester based on entered scores

Calculates a comprehensive grade by selecting desired subjects and grade-specific reflection ratios

Sets a target grade and calculates the grade required for the remaining semesters to achieve it

Predicts the final grade by simulating the grades for the remaining semesters

2. Midterm Exam Calculation

Calculates the average GPA based on midterm exam scores

Analysis of subjects with a high probability of grade increase/decrease after midterm exams

Predicts GPA based on grade fluctuations at the end of the semester

3. Rank Grade Calculation (for Midterm and Final)

Calculates rank grades reflecting midterm ranks and top percentiles

Calculates rank cutoffs by grade based on the number of students

4. Academic Achievement Test Score Calculation

Graphs raw scores, standard scores, percentiles, and grades by period based on entered scores

Calculates the average score of selected grades and displays it on the graph