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Calculate exact age in years, months, and days.
Add or subtract days, or find date differences.
Add, subtract, or find the difference between times.
Calculate work hours and timecard totals.
Calculate your Grade Point Average (GPA).
Calculate weighted grades and final exam requirements.
Estimate concrete volume and bags needed.
Calculate IPv4 subnets, masks, and host ranges.
Generate secure, random passwords.
Convert between various units of measurement.
Split bills unevenly with itemized tracking.
Convert between decimal numbers and Roman numerals.
Convert between binary, hex, decimal, and octal.
Count words, characters, and sentences in text.
Generate downloadable QR codes from text or URLs.