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This saved tracker maps each grade to points, then multiplies those points by course credits. Its five default contributions are sixteen, sixteen, eleven point one, nine point nine and sixteen quality points. The colored segments share six pixels per quality point, so their combined four hundred fourteen pixel length represents sixty nine points. Dividing by eighteen total credits gives three point eight three after rounding to two decimals. A plus and A both map to four. AP course names do not add a grade point bonus in this code. These are saved demonstration records, not independently verified student achievements or a school grading policy. Now consider changing the three credit Spanish course from B plus to A. Its grade points rise from three point three to four. Multiplying the difference point seven by three credits adds two point one quality points. The total becomes seventy one point one, while the credit denominator stays eighteen. The rounded GPA becomes three point nine five. Both bars share six pixels per quality point; the added segment is twelve point six pixels. This teaches a weighted average. It does not mean every course grade has an equal effect or that changing a target slider changes the achieved grades. In the actual native selector test, the original input handler redraws the course row before the change handler saves the grade. The selection therefore leaves the displayed and exported GPA at three point eight three. Our three point nine five example explains the hypothetical formula, not a successful native selection. The app assigns its highest named honor once the rounded GPA reaches three point eight. Its badge checks also look for two course names containing AP followed by a space, an A or A plus in a course name mentioning calculus or physics, and at least eighteen credits. Four of its five actual badge entries pass at the default. The comment mentions a perfect four point zero badge, but the actual list instead includes a mutually exclusive high honor roll badge. Read the executable conditions, not the comment. The threshold diagram uses four hundred pixels per GPA unit from three to four, with three point eight three marked. Offline chart initialization checks whether Chart exists and returns if it does not. The other controls can still initialize, while the external chart is absent. Native controls must be checked separately. These thresholds do not certify a student or verify a school policy.