Calcula

Calcula is a lightweight scientific calculation keyboard for iPhone. After adding the keyboard, you can directly enter expressions in chats, memos, browser search boxes, or any system input scenario, and insert the results into the current input position.

v1.0 focuses on basic but frequently used capabilities: the basic keyboard, the f(x) scientific panel, trigonometric functions with switchable DEG / RAD, the history panel within the keyboard, as well as the enabling guide, basic settings, and about page in the host App. It does not have accounts, cloud synchronization, or online calculations, and relevant settings are only used locally on the device.