Quick Answer: The haversine formula is d = 2R · arcsin(√(sin²(Δlat/2) + cos(lat1)·cos(lat2)·sin²(Δlon/2))), where R is Earth's radius (6,371 km) and all angles are in radians. It converts two latitude/longitude pairs into the great-circle distance…
Quick Answer: To calculate haversine distance, convert both latitude/longitude pairs to radians, apply a = sin²(Δlat/2) + cos(lat1)·cos(lat2)·sin²(Δlon/2), then c = 2·atan2(√a, √(1−a)), and multiply c by Earth's radius (6,371 km). The result is the…
Quick Answer: Discount examples in India follow two rules: final price = original x (100 - discount%) / 100, and stacked discounts are applied in sequence. For instance, 25% off Rs 1,200 is Rs 900,…
Quick Answer: A discount calculator takes an original price and one or more discounts and instantly returns the amount saved, the final price, and the true effective discount. It handles MRP, percentage and flat offers,…
Quick Answer: A discount is a reduction in a product or service price from its original or listed price, shown as a percentage (like 25% off) or a flat rupee amount (like Rs 200 off).…
Quick Answer: The key discount formulas are: Discount Amount = Price x Discount% / 100; Final Price = Price x (100 - Discount%) / 100; Discount% = (Original - Sale) / Original x 100; and…
Quick Answer: To calculate a discount, multiply the original price (MRP or listed price) by the discount percentage and divide by 100 to get the amount saved, then subtract it from the original price. For…
Quick Answer: At a 3.5% withdrawal rate your FIRE number is about 28.6 times annual expenses. For example, Rs 8 lakh of yearly spending needs about Rs 2.29 crore, while Rs 12 lakh needs about…
Quick Answer: A FIRE calculator takes your annual expenses, age, current investments, monthly SIP, expected return, inflation and withdrawal rate, then shows your inflation-adjusted FIRE number and the year you are on track to reach…
Quick Answer: FIRE stands for Financial Independence, Retire Early - a strategy of saving and investing aggressively to build a corpus of about 25-33 times your annual expenses, so investment returns can cover your living…
