Mathlean · Online math workspace
Modulo calculator
Evaluate the remainder class of an integer modulo another.
How to use this calculator
Edit Mod(23,7); its nonnegative residue is 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
Negative inputs can distinguish modulo from truncating remainder. The modulus cannot be zero.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.