LensCalc helps professionals perform essential calculations. Enter power and vertex distances to determine new power requirements. Calculate effective diameter and lensmeter helper values. Transpose prescriptions and estimate thickness.
Displays both the equation and result, with an option to hide the equation. Calculates instantly without pressing equals, toggleable for user preference. Includes square root calculation.
Calculate with multiple tools including standard, tip, compounding, and mortgage calculators. View calculation history. Take notes and organize them within the . Supports both iPhone and iPad.
Calculate measurement errors using directivity and mismatch error tools. Convert ratios to decibels. Compute noise figures and antenna parameters. Input values and retrieve calculated results.
Access standards for flanges, fittings, and valves. Calculate pipe safe span, flexibility, and spacing. Retrieve pipe dimensions by schedule and wall thickness. View detailed and valve sizes. Use engineering calculators for precise data.