Calc vs Arikh

Calc-50 is a high-precision scientific graphing RPN calculator. It carries over 50 digits of accuracy and has a large number of mathematical functions, including trig and hyperbolic functions and their inverses, and math special functions such as gamma, beta, psi, exponential integral, sine, cosine, and log integrals, Bessel functions, and more. It is programmable, with functions that take user functions and find derivatives, integrals, function max/min, and roots. Calc-50 also provides complex arithmetic and elementary functions.

Arikh is a native text editor for iPad and iPhone. Fast, direct, and refreshingly simple: open a file, edit it, save it. EDIT ANYTHING Open files from the Files app, iCloud Drive, external drives, or any storage provider Twenty languages with syntax highlighting, plus plain text, CSV, and Markdown Tabs with drag-and-drop reordering Your open tabs come back exactly as you left them, unsaved work included New documents open instantly; choose where to save on the first save Auto-save keeps your files current as you type WRITE CODE Live syntax highlighting for Swift, Python, JavaScript, TypeScript, HTML, CSS, JSON, XML, YAML, SQL, Go, Rust, Kotlin, Dart, PHP, Ruby, shell scripts, and more Seven highlighting themes Line numbers and Go to Line Format Document: Swift formatted with Apple's swift-format, JSON and XML re-indented, whitespace tidied everywhere else Find and replace with case-sensitive, whole-word, and regular-expression matching, including capture groups External keyboard shortcuts throughout WRITE PROSE Markdown preview that renders headings, lists, tables, task lists, code blocks, and images Export to Rich Text, HTML, and CSV, or share anywhere with the iOS share sheet Five text colors chosen to be easy on the eyes against the dark interface, and adjustable font size DESIGNED FOR iPAD Native performance with instant launch Split View and Slide Over Status bar with live word, line, and character counts and cursor position Document Info with size, dates, encoding, and line endings Recent files on the start screen and in the toolbar ONE PURCHASE, iPAD AND MAC Buy Arikh once and it is yours on both. No subscription, no account, no upsell. PRIVACY FIRST Your files stay in your Files app or iCloud Drive. No tracking, no analytics, nothing phones home. Arikh — Text Editor for iPad and iPhone By Deep Dark Abyss Productions Professional tools for professional work