pq Formula (quadratic formula)

The pq-formula is the better option compared to the more common quadratic formula (or ABC formula). It is about solving quadratic equations.

To get the pq you have to go like this:

ax² + bx + c = 0 | : a
x² + b/a x + c/a = 0
x² + px + q = 0

Now you can use the much more practical pq-formula shown on the left of this website.

使い方の説明

Enter values for p and q in both text fields.

The buttons on the left side show the possible symbols you can enter. Decimals and fractions are supported.

To calculate the result with your input press the green "="-button.

電卓は何をするのですか？

結果が表示されるまでに数秒かかる場合があります。

1. あなたの値を挿入します。
入力を簡素化します (分数を入力した場合)
2. Shows every step to calculate the result.
3. Shows the results for x1 and x2.