Gottfried Leibniz (1646 – 1716) was a German philosopher and mathematician.

In mathematics, several results and concepts are attributed to Leibniz:

• Leibniz algebra, an algebraic structure
• Leibniz formula for pi, a method for calculating π
• Leibniz formula (determinant), an expression for the determinant of a matrix
• Leibniz integral rule, a rule for differentiation under the integral sign
• Leibniz's notation, a notation in calculus
• Leibniz operator, a concept in abstract logic
• Leibniz law, see product rule of calculus
• Leibniz rule (generalized product rule), a generalization of the product rule

See also

• Leibniz-Gemeinschaft, a union of German research institutes
• Gottfried Wilhelm Leibniz Prize, a German research prize
• Leibniz University of Hannover, a German university
• Leibniz-Keks, a German brand of biscuit

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