Math
Math on this site spans from basic percentage and algebra problems through calculus, split into fifteen focused subcategories so a quadratic-formula calculator and a derivative calculator don't end up mixed in the same list. Percentages, Algebra, and Calculus currently hold the most tools, with the rest being filled in over time.
Categories in Math
Triangle Calculators
If you know any two measurements of a triangle, one of these tools can usually solve for the rest: a right triangle from two known values, the Pythagorean theorem for a missing side, or the fixed ratios of a 30-60-90 or equilateral triangle.
Calculus
Checking a derivative, integral, or limit by hand takes time. These calculators handle the core operations instantly, plus inflection points and the chain and product rules specifically.
Percentages
Percentage increase or decrease, percentage points versus percent, converting a decimal to a percent, and slope expressed as a percentage grade: one of the most-searched math subcategories on the site.
Algebra
The quadratic formula, factoring trinomials, completing the square, solving a system of equations, and simplifying radicals: standard algebra problems solved with the worked method shown alongside the answer, not just a number.