...calculate anything, anytime, anywhere.

Project a final course grade from the current grade, final exam weight, and expected exam score.

Calculate the score needed on a final exam to reach a desired course grade.

Calculate the exam score needed for a target grade or project a final course grade.

Calculate semester and cumulative GPA from letter or numeric grades and course credits.

Calculate an overall course grade using points or weighted categories.

Calculate a test percentage, fraction, and letter grade from correct or incorrect answers.

Project what your current college savings plan may cover and estimate any funding gap.

Calculate the monthly or annual contribution needed to meet a college savings goal.

Estimate student-loan payments, total interest, payoff timing, or an affordable loan amount.

Estimate the outdoor temperature from cricket chirps counted during 25 seconds.