View and navigate the with endless scrolling and intuitive controls. Access accurate Bahire-Hasab calculations for each year. Receive holiday reminders and set custom notifications. Convert dates between and Gregorian formats.
Identify constellations and celestial objects in real time. Locate planets and stars with precise guidance. Syncs with telescope for automatic alignment and tracking. Provides detailed information on astronomical events and objects.
Convert units between and imperial systems. Switch between weight, length, temperature, and area measurements. Input values and receive instant conversions. Share results via copy or email.
Calculate using functions including sin, cos, tan, and their inverses. Convert units with 136 converters. Access daily updated currency exchange rates. Perform algebraic calculations with 800+ formulas. Switch between degrees, radians, and grads.
Convert measurements with a interface for volume, mass, and temperature. Adjust portions, toggle between US, metric, Australian, and imperial units. Input numbers directly for precise conversions.
Calculate Maidenhead locations and HF dimensions. Input frequency and select elements to determine reflector, driven element, director, and spacing sizes in feet, inches, and meters. Convert area measurements between square inches and square feet.
Manage flight data with in-flight metrics like relative wind, hover ceilings, density altitude, power limits, Vne, and more. Calculate weight and balance for multiple helicopter models.
Calculate volumes for slabs, footings, walls, steps, curbs, columns, and cylinders. Provide exact amounts and recommended order quantities to account for material waste. Also calculate sand, gravel, stone, block fill, and block and mortar volumes.
Secure browsing with encrypted connections and global server access. Mask IP addresses and bypass regional restrictions. Set up automatic connection rules. Manage multiple profiles and session settings. Block ads and trackers.
Convert units by typing the desired directly. Support fractions, decimals, and custom precision. Perform basic math operations. Save favorite conversions. Convert between metric and imperial units, including fractional inches and feet-inches formats.
Calculate dimensions and properties of 2D and 3D shapes. Input measurements to determine area, volume, surface area, and perimeter. View interactive 3D models of solids like cube, sphere, and cylinder. Switch between 2D and 3D views for each shape.