【How to calculate】
Enter the conditions for determining the triangle in the input box and press the calculate button, and the calculated value is output in the remaining boxes.

【Conditions for determining the triangle】
1.Three sides　
2.Two sides and one angle　
3.One side and two angles

【Select the unit of angle】
You can choose Degree, Radian or Radian(π).

【Fixing input value】
Press the button next to the input box to fix the input value. The fixed values cannot be edited or cleared. This feature makes it easier to calculate particular triangles in succession.

【Right triangle】
Press the right triangle button, the angle is fixed at a right angle and the display switches to a right triangle.