Numeris 3D Graphing Calculator vs PageExtract

Numeris combines a full-featured scientific calculator with a powerful function plotter in one beautifully crafted app. THREE MODES - ONE CALCULATOR • BASIC - Quick everyday calculations with intuitive controls • SCIENTIFIC - Trigonometry, logarithms, exponentials, factorials, constants and more • GRAPHING - 2D function graphs and stunning 3D surface plots RPN MODE • Reverse Polish notation with a live stack display, in the style of classic RPN calculators • Enter, SWAP, DROP, DUP and R↓ plus every scientific function • Toggle with one tap in the header; the setting is remembered NEXT-GENERATION FUNCTION PLOTTER • Plot unlimited functions simultaneously in vibrant colors • Symbolic derivatives up to 5th order - automatically computed and simplified • Smart auto-fit detects zeros, extrema, and periodicity • 3D surface plots with rotation, zoom, and pan via touch gestures • Independent axis scaling for X, Y, and Z THOUGHTFUL DESIGN • Elegant OLED-optimized interface with glassmorphism effects • Color-coded bracket pairs for error-free formula entry • Live LaTeX preview of your formulas • Complete calculation history with search • Optimized for iPhone and iPad - landscape included 20 LANGUAGES Numeris speaks your language: English, German, French, Spanish, Italian, Portuguese, Japanese, Korean, Chinese, Russian, Turkish, Arabic, Hindi, Dutch, Polish, Swedish, Danish, Norwegian, Finnish, and Ukrainian. PERFECT FOR • Students in math, physics, and engineering • Teachers who want to demonstrate functions live • Professionals who need quick calculations and visualizations • RPN calculator veterans who will not give up RPN • Anyone looking for a beautiful and powerful calculator Core features are free. Unlock unlimited graphing with a one-time purchase - no subscription, no ads, no data collection.

PageExtract pulls apart any web page and shows you everything inside — article text, images, fonts, stylesheets, scripts, links, and metadata. Paste a URL and get a complete breakdown of the page. Read the article as clean plain text or Markdown. Browse every image with dimensions and alt text. Inspect linked stylesheets and JavaScript files. View web fonts, hyperlinks, meta tags, Open Graph data, and HTTP response headers. WHAT YOU CAN EXTRACT • Article text — clean plain text or Markdown, free of ads and clutter • Images — every image on the page with dimensions, alt text, and download • Links — all internal and external hyperlinks • Fonts — web font families, weights, styles, and font file sources • Source files — CSS stylesheets and JavaScript files with sizes • Metadata — meta tags, Open Graph data, and page properties • HTTP headers — full server response headers • Full HTML — the complete page source EXPORT & SHARE • Copy extracted text to the clipboard • Share as .txt, .md, or PDF file • Download images and source files for offline access • Open the original page in your browser BATCH PROCESSING Queue multiple URLs and extract them all at once. Ideal for research, site auditing, archiving, or content migration. SAVE TO YOUR LIBRARY Build a searchable library of your extractions. Each saved item preserves everything — the full article, all images, every link, fonts, metadata, and source files. SHARE FROM ANY APP Use the Share Sheet extension to extract page content directly from Safari, Chrome, or any app that shares URLs. SYNC WITH ICLOUD Enable iCloud sync to keep your library available on all your iPhone and iPad devices. PRIVACY BY DESIGN All extraction happens on your device using a local web engine. No server uploads, no account required, no tracking. Lock the app with Face ID or Touch ID for added security. MAKE IT YOURS • Light, dark, and system appearance • Custom accent colors • Alternate home screen icons Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/