Calculate budget between two locations. Check locations on a map. Compute Fresnel Radius, Earth Bulge, and attenuation loss for O2 and vapour. Determine fade margin. Export results as text or PDF.
Learn to calculate the day of the week for any between 1800 and 2200 using the Doomsday Algorithm. Track progress with personal times. Compare results with calculated values. Save custom mnemonics for special dates in the Doomsday List.
The app estimates the theoretical weight of metal and plastic products. It allows users to send RFQs for materials based on results or as a standalone request.
Track vehicle by entering distance traveled and gasoline volume. Calculate fuel economy in metric, U.S., or Imperial units. View all gasoline usage data on a single page.