per hour, worked

Flip up to 500 coins at once and get the heads and tails tally.

Roll up to 500 dice of any size, with a modifier and a full tally of the results.

Difference between two Unix timestamps or dates, broken down into days, hours, weeks and years.

Draw a wheel of any size, spin it with a fair cryptographic pick and land the winner under the pointer.

Latitude, day of the year and the sunrise and sunset you read off a clock, turned into day length, solar noon, noon sun elevation and solar declination, each checked against the NOAA solar-position series.

NWS wind chill at 50 F or below with 3 mph or more, clamped to the air temperature whenever the formula runs warm, and the Rothfusz heat index at 80 F or above with 40% RH or more. Outside both windows it says so.

The barometric formula reading an altitude straight off a pressure, beside the hypsometric equation turning a known height change and temperature into the pressure you should expect to read there.

Water intake, urine volume, urinary calcium and urinary oxalate scored 0-100 with each factor's points and the arithmetic shown, so you can see which input moved the number. An educational estimate, not medical advice.