New calculators, fixes and improvements to Calcist, newest first.
October 26, 2026
- New look: a cleaner navy blue design and the Inter typeface across the whole site, including the numbers.
- New: Build your own calculator, with ready-made templates you can change and share.
- New calculators: online seller profit, ad campaign, profit margin and break-even.
- New: mortgage and loan calculators with what-if comparisons, plus five home project calculators.
- Every calculator now has a "How we checked this" box listing the test answers it must get right.
- Style menu: choose a look, button shape, spacing, text size, how much detail to show and how many decimal places.
- Homework mode on the fraction, equation and system-of-equations calculators hides the answer until you tap Reveal.
- New: The history of the calculator.
- New: My Calcist. Star your favorite calculators and reopen recent results. It's all kept on your own device.
- New home-buying calculators: how much house can I afford, refinance and a full amortization schedule.
- Answers on money, percentage and grade calculators now come with a one-line "In plain English" explanation.
Found a wrong answer or want a calculator we don't have? See how we check answers.