Outline creation and management with nested tags and customizable fonts. Import and export OPML and Markdown files. Sync and share via iCloud. Embed images and format text. Support drag and drop, links, notes, and backlinks.
Convert currencies between (EUR) and US (USD) using real-time exchange rates. Choose the number of decimal places for precision. Perform quick conversions without additional steps.
Convert numbers between hexadecimal, decimal, octal, and binary formats. Input a value and select the target format. Display results with clear formatting and support for both integer and fractional values.
Perform instant number system conversions between binary, decimal, octal, and hexadecimal. Execute arithmetic operations including addition, subtraction, multiplication, division, and mod.
Arc+ calculates radius, length, width, height, and tangent by inputting two known values. Converts between measurement units. Saves results to a favorites list and shares them with others.
An RPN calculator with stack display and base conversion. Users can switch between binary, octal, decimal, and hexadecimal modes. Each stack element can be viewed in any base or as ASCII.
Calculate volume for holes, slabs, or tubes using precise equations. Choose input units from mm, cm, m, inches, feet, yards, or miles. Select output units including cubic mm, cm, m, inches, feet, yards, or miles. Adjust decimal places for precision.