
2 × 2 matrix determinant
Calculate 2 × 2 matrix determinant with clear inputs and assumptions.
Your inputs stay in your browser. Displayed results are rounded to a maximum of 12 significant digits.
Method and assumptions
Method version 1.0.0 · Updated
Calculate
Formula: Calculate 2 × 2 matrix determinant with clear inputs and assumptions.
Calculate 2 × 2 matrix determinant with clear inputs and assumptions.
- a
- a₁₁
- b
- a₁₂
- c
- a₂₁
- d
- a₂₂
Results are estimates where noted and depend on the entered assumptions.
Calculate with code
These short examples use the same inputs and core calculation as this tool. Adapt validation and formatting to your application.
JavaScript
const [[a, b], [c, d]] = [[3, 8], [4, 6]];
console.log(a * d - b * c); // -14TypeScript
const [[a, b], [c, d]]: number[][] = [[3, 8], [4, 6]];
console.log(a * d - b * c); // -14Python
a, b, c, d = 3, 8, 4, 6
print(a*d - b*c) # -14Java
int a=3, b=8, c=4, d=6;
System.out.println(a*d - b*c); // -14C#
int a=3, b=8, c=4, d=6;
Console.WriteLine(a*d - b*c); // -14