Transpose prescriptions and calculate lens parameters
Transpose prescriptions and calculate compensated powers for tilt and vertex distance. Estimate blank size and lens thickness. View detailed equations and study references for additional insights.
by Luka Kovac★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
Calculate, plan, and optimize machining operations
Calculate machining parameters for turning and milling operations. Input dimensions and material properties to determine tool paths and speeds. Generate G-code for CNC machines. Convert units and estimate machining time.
Calculate quantities for slabs, footings, columns, walls, steps, and post holes. Estimate block counts and material needs. Provide approximate costs for and related materials.
Calculate pitches, angles, and rise/run ratios. Estimate decking, stair, stud wall, and concrete quantities and costs. Switch between US and metric units. Input measurements for precise material estimates. Export results for project planning.
Calculate , suspension cable, and civil parameters with 58 specialized tools. Input values and units to get automatic results. Switch between metric and imperial units.
View moon phases using a 3D model of Earth-Moon-Sun system. Calculate phases based on orbital mechanics including inclination, distance, and libration. Display ephemeris data with detailed pages. Show current phase and location-based adjustments.
View thermal images and videos captured by the camera. Adjust temperature scales and color palettes. Save and share thermal data. Export in various formats. Access real-time temperature readings and annotations.
View live video streams from cameras and encoders on iPhone or iPod Touch. Control pan, tilt, and zoom. Save snapshots to the photo gallery. Stream directly without third-party servers. Support landscape and portrait modes.
Solve equations with addition, subtraction, multiplication, and division. View step-by-step working to understand solutions. Handle mixed and partial fractions. Convert between decimals and fractions. Find factors of numbers or common factors.
Calculate dredging production by inputting variables like percent solids, specific gravity, pipe size and length, LSVF, slurry viscosity, and pump wear. Estimate project costs and verify pump performance. Export results for reporting.
Customize appearance with background colors, GIFs, and pattern images. Adjust button colors, text, borders, and size. Access special characters and supports multiple languages. Does not collect user data.
Enter equations with large numbers to round them to the nearest whole number. Calculate decimal values and display results instantly. Adjust settings for precision. Share results directly.
Perform searches using Google Lens, Yandex, TinEye, and Bing. Upload images from the camera or gallery to find similar images, identify objects, and explore digital content. Search across multiple platforms simultaneously.
Measure heart rate and estimate levels using phone camera and flash. Detects blood flow changes via photoplethysmography. Provide real-time readings and indicators. Guide users on proper positioning and lighting for accurate results.
Turn your watch into a fidget cube with six interactive screens. Tilt to bounce a ball, press haptic buttons, spin the Digital Crown, toggle the Light Switch, drag the Joystick, or use Square Breathing. Unlock Premium for color and gradient themes.