Quadratic discriminant

D=b2−4acD=b^2-4ac

What it does

Calculates quadratic discriminant from the supplied values.

When to use it

Use this mathematics formula when the named quantities are known.

Variables

Worked example
{
  "inputs": {
    "a": 1,
    "b": 5,
    "c": 6
  },
  "result": 1
}
Common mistakes
Check units, signs, brackets and that every value is entered in the stated units.