Perform calculations with one hand by repositioning the keypad. Save and reuse past results, and easily correct input with swipe gestures. Handles everyday math, scientific functions, and date/time calculations.
10.24
October 28, 2026
• Supports iPhone Duo: cover screen and inner display in portrait and landscape. • Refined one-handed layouts, saved-result reuse, and date/time tools. • The delete key now shows the three most recently deleted elements.
More$1.99
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Yes, calculator DUO contains advertisements. The app may show banner ads. An optional one-time purchase is available to remove these ads.
calculator DUO is available for free. There is an optional one-time purchase to remove advertisements.
calculator DUO is supported on iPhone and iPad devices. It has an age rating of 4+.
The latest version of calculator DUO is 10.24, last updated on October 28, 2026. Updates are frequent, ensuring the app remains reliable and feature-rich.
Yes, calculator DUO is designed for one-handed use. You can move and resize the keypad to be within thumb reach on either the left or right side.
calculator DUO allows you to save useful results on a visual shelf. You can tap to reuse them, recall your last answer, or search your calculation history and mark favorites.
calculator DUO handles everyday arithmetic, percentages, powers, roots, logarithms, and trigonometric functions. It also supports date and time calculations, including finding the time between dates and calculating across time zones.
Yes, expressions, saved results, and calculation history are stored locally on your device. No account is required to use the app.
