Flight Time Calculator: Distance, Duration and Arrival
Estimate flight distance, groundspeed, cruise time, airborne time, block time, arrival, initial bearing, fuel and cost from coordinates or known distance.
Prayer Time Calculator: Fajr, Dhuhr, Asr, Maghrib and Isha
Calculate Fajr, sunrise, Dhuhr, Asr, Maghrib, Isha, solar midnight and Qibla bearing from date, coordinates, UTC offset and prayer convention.
Sobriety Date Calculator: Days, Milestones and Savings
Calculate completed sober days, inclusive calendar day, milestones, goal progress and optional estimated savings with this private sobriety date calculator.
Poker Odds Calculator: Texas Hold’em Win Percentage
Estimate Texas Hold’em win, tie and equity percentages against random hands, from preflop through the river, with this poker odds calculator.
Scientific Calculator: Trigonometry, Logs and Powers
Evaluate arithmetic, powers, roots, logarithms, factorials and trigonometric functions in degrees or radians with this free scientific calculator.