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Education · Formula sheet

Education formulas

One printable sheet for 6 Education tools — formulas collected from each calculator’s How it works.

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Final Grade Needed Calculator

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\[ F=\frac{G-C(1-w)}{w} \]

Enter Current grade, Goal grade, and Final weight (%) for the Final Grade Needed Calculator; enter percentage fields as percentage points. The calculator reports Needed on final: Solve for final exam score given weight and current average. A required score above the assessment maximum means the target is unattainable under these inputs.

Grade Curve Calculator

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\[ s'=n_{min}+t(n_{max}-n_{min}) \]

Enter Score, Old min, Old max, New min, and New max for the Grade Curve Calculator; use finite values in the indicated domain. The calculator reports Curved score: Simple linear curve between old and new ranges. Confirm the course's actual weighting and rounding policy before relying on the result.

Points Needed Calculator

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\[ need = g\cdot(P+N)-E \]

Enter Goal %, Points earned so far, Points possible so far, and Next assessment max for the Points Needed Calculator; enter percentage fields as percentage points. The calculator reports Points needed on next: Goal percent over total points including the next assessment. A result below zero means the goal is already secured; one above Next assessment max is unattainable.

Reading Time Calculator

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\[ t=W/v \]

Enter Word count and Words per minute for the Reading Time Calculator; use finite values in the indicated domain. The calculator reports Minutes: Time = words ÷ reading speed. Words per minute must be positive, and actual reading speed varies with text difficulty.

Semester GPA Calculator

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\[ GPA=\frac{\sum g_i c_i}{\sum c_i} \]

Enter Grade pts 1, Credits 1, Grade pts 2, Credits 2, Grade pts 3, Credits 3, Grade pts 4, and Credits 4 for the Semester GPA Calculator; use finite values in the indicated domain. The calculator reports GPA: Semester GPA is credit-weighted average of grade points. Confirm the course's actual weighting and rounding policy before relying on the result.

Weighted Grade Calculator

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\[ G=\frac{\sum s_i w_i}{\sum w_i} \]

Enter Score 1, Weight 1, Score 2, Weight 2, Score 3, Weight 3, Score 4, and Weight 4 for the Weighted Grade Calculator; use finite values in the indicated domain. The calculator reports Weighted grade: Weighted average of category scores. Weights should represent the same scale and normally sum to 100%.

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