Step-by-step visual calculations, mental math speed trainers, and interactive geometry solvers built for students, parents, and educators.
Add, subtract, multiply, and divide fractions with full visual working. Includes the Butterfly Method, Keep-Change-Flip, and automatic fraction simplification.
Launch Fraction Calculator →Calculate instant sales discounts, sales tax, percentage increase/decrease, and tips. Features mental math breakdown tips (e.g. 10% + 5% trick).
Launch Percentage Calculator →Solve area, perimeter, and volume for circles, triangles, rectangles, cylinders, and cubes. Watch the interactive SVG diagram update live with your numbers.
Launch Geometry Calculator →Enter any 4 numbers to find all valid ways to make 24 using addition, subtraction, multiplication, and division. Or play the interactive timed practice mode!
Launch 24 Solver & Game →Gamified quick-fire math sprint. Practice multiplying by 11, doubling and halving, left-to-right addition, and rapid multiplication with streaks and timer.
Launch Speed Trainer →Traditional calculators give only an answer without the reasoning. Our educational tools reveal the why and how behind every formula, helping students master conceptual math through instant visual feedback.