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Step 1: GPA Scale Converter (Percentage to 4.0 Scale)
Convert a percentage grade to an approximate 4.0-scale GPA value using a common linear mapping.
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Step 2: Reading Speed Calculator
Calculate reading speed in words per minute and estimated time to read a document.
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Step 3: Typing Speed Calculator (WPM)
Calculate typing speed in words per minute from character count and time.
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Step 4: Class Attendance Percentage Calculator
Calculate attendance percentage and how many classes can still be missed before falling below a target.