Calctan vs xPaste

Calctan is a high-precision scientific and financial tape calculator designed for iPhone and iPad. Built for students, engineers, accountants, and business professionals, Calctan bridges the gap between scientific computing and practical everyday finance. Edit complex formulas with ease, audit running totals on a printable tape, and enjoy a distraction-free workspace with no ads. KEY FEATURES 1. SMART FORMULA WORKSPACE • Direct Cursor Editing: Tap anywhere in your expression to fix numbers or operators instantly—no need to clear the expression and start over. • Live Syntax Validation: Real-time calculation preview with automatic balancing of parentheses as you type. • Fluid Multi-Line Display: Expressions scale dynamically so long formulas are never cut off. 2. ADVANCED SCIENTIFIC ENGINE • Complete Math Suite: Trigonometric functions (radians/degrees, inverse, hyperbolic), factorials, permutations, powers, roots, modulo, and logarithms. • True Order of Operations: Context-aware order of operations with high-precision calculations that minimize floating-point rounding errors. • Built-in & Custom Constants: A library covering mathematics, physics, and chemistry, plus customizable slots for your own tax rates or business ratios. 3. ACCOUNTING TAPE & REPORT EXPORT • Auditable Calculation History: Every calculation is automatically logged on a persistent digital paper tape. • Label & Categorize: Add custom notes, tags, and project labels to track expenses, homework problems, or client totals. • Batch Operations: Select multiple past entries to instantly calculate a running total. • AirPrint & PDF Reports: Generate itemized, professional calculation sheets to share, save, or print directly. 4. DESIGNED FOR PRODUCTIVITY • Multitasking on iPad: Full support for Split View, Slide Over, external keyboards, and trackpads. • iCloud Synchronization: Keep your saved formulas, constants, and calculation history unified across iPhone and iPad. • Customizable & High-Contrast Themes: Handcrafted color palettes designed to minimize eye strain during long study or work sessions. • Private & Ad-Free: No tracking, no data collection, and no subscription is required to calculate. We do not collect your data; calculations stay on your device and, if enabled, sync privately through your personal iCloud account. PERFECT FOR: • STEM & College Students: Algebra, calculus, physics, and exam prep with clear, step-by-step editing. • Finance & Accounting: Tax prep, budgeting, invoices, and expense verification with itemized tapes. • Retail & Small Business: Quick customer totals, discount percentages, and printable calculation logs.

xPaste xPaste is an efficient and easy-to-use app for you to save, copy or clear the pasteboard contents. It can help you manage the pasteboard history for your efficiency and guard your pasteboard privacy by clearing it at any time. Keywords: pasteboard manager, pasteboard privacy guard, save pasteboard, copy pasteboard, clear pasteboard, pasteboard widget, today widget for pasteboard, pasteboard management ## Features xPaste is versatile and easy-to-use. It can help you 1. Clear your pasteboard by just one click. This will guard your pasteboard privacy. 2. Save your pasteboard contents as history by just on click. 3. Copy your pasteboard history items at any time easily. 4. Manage the pasteboard history: deleting, pinning or unpinning any item to the top. 5. Access these features by a widget extension. ## Usage Illustrations 1. Pasteboard history items: 2. Save or clear the pasteboard contents in this app: 3. Save or clear the pasteboard in the widget extension: 4. View the pasteboard item details by clicking the right part of any history cell: 5. Copy a pasteboard history item by clicking the left part of history cells: