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DaCalculator turns everyday math into something you actually enjoy looking at — with a live ticker tape, custom themes, and repeating decimals shown the right way.

The calculator that thinks like you do.

Most calculators show you a number. DaCalculator shows you the math. As you tap, your full expression builds across the display, a live preview tells you exactly what = is about to give you, and every result drops into a scrolling ticker tape you can reuse, edit, or replay.

Built for everyday arithmetic

• Live expression display with running preview
• Tap any past result to drop it back into a new equation
• Parentheses with implied multiplication — 3(4+2) just works
• Persistent memory (M+, MR, MC) that survives between sessions
• Backspace any digit without nuking the whole entry

Advanced mode for when "+ − × ÷" isn't enough

• Powers, square root, cube root, factorial
• sin / cos / tan, sinh / cosh / tanh
• Natural log, log₁₀
• π and e as one-tap constants

Details that nerds will love

• Repeating decimals get a true vinculum overline — 1 ÷ 3 becomes 0.3̄, not 0.3333333…
• European number format toggle (. for thousands, , for decimal)
• Thousands grouping you can turn off when you don't want it
• Themes you can pick to match your vibe

No ads. No tracking. No upsells. Just a beautifully built calculator that respects your time and your eyes.

Screenshots