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    "Default plus/minus map uses A+=4.33 … F=0.",
    "Percentage ranges are one common U.S. syllabus convention for the matched letter, not a function of the input GPA.",
    "Linear 5.0 assumes a 5.0 numeric ceiling linearly mapped to 4.0. It is not a generic weighted→unweighted GPA conversion.",
    "Nearest matching is an approximation algorithm, not a registrar rule for converting cumulative GPA back into a letter."
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    "Nearest ties (equal distance to two grade points) prefer the higher letter, including 3.50 → A-, 3.835 → A, and 4.165 → A+ on plus/minus 4.33."
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      "title": "University of Alabama — Grades and Grade Points",
      "section": "A+ = 4.33; A = 4.00; A− = 3.67; B+ = 3.33; … F = 0.00",
      "url": "https://catalog.ua.edu/undergraduate/about/academic-regulations/records/grades-grade-points-gpa/",
      "supports": "Published plus/minus 4.33 grade-point map used as this calculator’s default reference model",
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      "section": "A+ = 4.33 on the grading scale, but cumulative GPA is capped at 4.00",
      "url": "https://registrar.asu.edu/grades",
      "supports": "Same 4.33 letter points can still differ in how cumulative GPA is reported",
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      "title": "Simon Fraser University SIAT — Recommended grading scale",
      "section": "A− = 85–89.5% with A− = 3.67 grade points (not 90–92%)",
      "url": "https://www.sfu.ca/siat/programs/undergraduate/current-students/student-resources/grading-scale.html",
      "supports": "Percentage bands are school-specific even when grade points match 4.33 / 4.00 / 3.67",
      "kind": "reference",
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    {
      "title": "University of California Admissions — GPA requirement",
      "section": "A/B/C/D map to 4/3/2/1, then extra honors/AP/IB points are added with a honors-point cap",
      "url": "https://admission.universityofcalifornia.edu/admission-requirements/first-year-requirements/gpa-requirement.html",
      "supports": "Why Linear 5.0 must not be described as a generic weighted→unweighted GPA conversion",
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      "title": "Randolph College Physics — Grade Scale",
      "section": "A+ = 97–100; A = 93–96; A− = 90–92; B+ = 87–89; … D− = 60–62; F = 0–59",
      "url": "https://physics.randolphcollege.edu/psheldon/classes/gradescale.html",
      "supports": "The example percentage-band table shown by this calculator (a published syllabus convention, not universal)",
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      "url": "https://pages.stolaf.edu/dietz/typical-grading-scale/",
      "supports": "Independent published example of the same 97–100 / 93–96 / 90–92 syllabus convention",
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