Make mobile recharges with guaranteed discounts on airtime and data. Pay bills for electricity, DSTV, GOTV, and Startimes. Secure payments via bank account, debit, or credit card. Track subscription payments and view transaction history.
Calculate mix proportions using the absolute volume method. Input project details to determine gravel quantity in kilograms and cubic meters. Adjust mix ratios for specific strength requirements.
Calculate humidity properties using dry-bulb, wet-bulb, and dew point temperatures. Input values to determine relative humidity, vapor pressure, and specific humidity. Display results in a interface with precise Wexler–Hyland formulation.
Perform arithmetic and scientific calculations with dedicated calculators. Convert units between different measurement systems. Access multiple converters for currency, temperature, and more.
Calculate electromagnetic force (EMF) for a DC based on input parameters. Enter speed, poles, magnetic flux, conductors, and parallel paths. Supports both lap and wave windings. Works on iPhones and iPads.
Calculate BMI using metric or imperial units. Input height and weight to receive a score and classification. View BMI history and track changes over time. No ads or paid features.
Calculate diameters based on electrical power, voltage, and current. Input parameters to determine required size. Access calculation formulas and reference tables. Export results for documentation.