Mathematics Calculators (Page 7)

Percentages, equations, geometry, algebra and more math tools.

Compute the nth triangular number T(n) = n(n+1)/2.

Compute combinations C(n,k) and permutations P(n,k) together.

Compute the nth term and sum of an arithmetic sequence.

Compute the nth term and sum of a geometric sequence.

Compute the square of a number (x²) or its square root.

Compute the cube of a number (x³) or its cube root.

Solve a·x + b = 0 for x.

Solve two linear equations a₁x+b₁y=c₁, a₂x+b₂y=c₂; output intersection (x,y) with steps.

Compute |x| and solve equations of the form |ax+b|=c.

Solve linear and quadratic inequalities; output interval notation and a number-line sketch.

Compute the range (max − min) of a data set.

Compute the perimeter of common shapes (rectangle, square, triangle, circle...).