# Mathematics

Common mathematical tasks, such as calculate percentages, simple operations, trigonometrical functions and more

### Calculator

Simple calculator

### Area calculator

Simple area calculator

### Percentage calculator

Calculate percentages of numbers

### Single rule of three direct

Direct proportion

### Single rule of three inverse

Inverse proportion

### Trigonometric functions

Trigonometric functions: sine, cosine, tangent, and more

### Radians and degrees converter

Radians to degrees conversion and vice versa