...calculate anything, anytime, anywhere.

Use this fractions calculator for fraction and decimal arithmetic with a running calculation tape.

Use this standard tape calculator for everyday arithmetic with a running calculation tape.

Use this advanced scientific calculator for arithmetic, trigonometry, statistics, matrices, constants, and complex mathematical expressions.

Just enter a math expression and this calculator will evaluate the expression for you.

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.

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

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

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

Calculate an overall course grade using points or weighted categories.