Math

Test Grade Calculator

Enter your total questions and how many you got wrong (or right) to instantly see your percentage, letter grade, and pass/fail status.

Open
Math

Percentage Calculator

Computes percentages, percentage change, and percentage of a number.

Open
Math

GPA Calculator

Calculates cumulative GPA from course grades and credit hours.

Open
Math

AI Replacement Risk Calculator

How safe is your job from AI? Get a personalized risk score, years-until-disruption estimate, and safer career pivots based on what you actually do.

Open
MathComing Soon

Area Calculator

Computes area of common shapes like rectangles, circles, and triangles.

Open
Math

Grade Calculator

Calculates final course grades from assignment scores and weights.

Open
MathComing Soon

Random Number Generator

Generates one or more random numbers within a specified range.

Open
MathComing Soon

Standard Deviation Calculator

Computes mean, variance, and standard deviation from a data set.

Open
MathComing Soon

Aspect Ratio Calculator

Calculates missing dimension or maintains aspect ratio for images and screens.

Open
MathComing Soon

Fractions Calculator

Performs addition, subtraction, multiplication, and division on fractions.

Open
Math

Scientific Notation Converter

Converts numbers to and from scientific notation with full step display.

Open