Easy to use online math calculators and solvers for various topics. These may be used to check homework solutions, practice and explore with various values.

Graphing Calculator For Inverse Functions An online graphing calculator to draw the graph (in red) formed by reversing the ordered pairs corresponding to all points on the graph (blue) of a function f that you input.

Sine Equations Solver. Online solver calculator for simple trigonometric equations with sine function of the form sin x = a.

Cosine Equations Solver. Online calculator and solver for trigonometric equations with cosine function of the form cos x = a.

Tangent Equations Solver. Online calculator and solver for simple trigonometric equations with tangent function of the form tan x = a.

Find the coterminal angle. A calculator to find the exact value of a coterminal angle to a given trigonometric angle.

The Six Trigonmetric Functions Calculator. Online calculator that calculates the six trigonometric functions: sin(x), cos(x), tan(x), cot(x), sec(x) and csc(x) of a given angle.

Online Rounding Calculator. An online calculator to round numbers to the nearest one, ten, hundred, thousand, ten thousand, hundred thousand, million and ten million.