Calculate Gregorian Easter online
Calculate Julian Easter online
Find Western zodiac, Chinese zodiac, and Maya calendar signs from your birth date with three free calculators. Instant browser results with no signup required.
Split bingo prize pools with double progression or percentage methods. Calculate ambo, terna, quaterna, cinquina, and bingo payouts from a total stake online.
Calculate modulo Processing runs locally in your browser.
Solve everyday percentage problems with three handy calculators
Calculate permutations, combinations, and arrangements (with and without repetitions)
Calculate the maximum heart rate using various formulas
25 tools