Question 1

Is Discrete Math Calc free to use?

Accepted Answer

Yes. All 31 calculators and every Learn discussion page are completely free, with no account required and no ads.

Question 2

Do I need to sign in to use the calculators?

Accepted Answer

No. The calculators and text-based AI chat both work without signing in. Signing in with Google is only required to attach images or documents to a chat message.

Question 3

What topics does Discrete Math Calc cover?

Accepted Answer

Six units: Sets and Notations, Relations, Functions, Induction and Proof Techniques, Counting Principles, and Probability, with 31 calculators total across those units.

Question 4

Does Discrete Math Calc show step-by-step solutions?

Accepted Answer

Yes. Every calculator shows the running calculation step by step rather than only the final answer, and links to a written concept explanation for the underlying idea.

Question 5

Can I use Discrete Math Calc offline?

Accepted Answer

Yes. It can be installed as a Progressive Web App and works offline once installed, using a service worker to cache the app.

Question 6

Is Discrete Math Calc affiliated with any school?

Accepted Answer

No. It is an independent project with no affiliation to any school, college, or institution.