Mathlean · Online math workspace
Arithmetic-geometric mean calculator
Find the common limit of iterated arithmetic and geometric means.
How to use this calculator
Edit AGM(a,b). The starter uses positive real inputs 1 and 2.
Tap the math below to edit it and see the result. Once a result is ready, press Tab on a hardware keyboard to accept it. Outside a matrix, Return completes the line; the phone math keyboard has the same Return action.
Try it here
Interactive tools require JavaScript. You can read the guide and example without it.
What to know
This iterated mean differs from a single arithmetic or geometric mean; complex extensions require branch choices.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.