Online CalculatorPosted by Calculators on November 9th, 2019 A scientific calculator is a calculator designed to calculate science, engineering, and mathematics problems. A scientific calculator has the capability to perform calculations more than just division, multiplication, subtraction, and addition.Your Basal Metabolic Rate (BMR is the amount of calories you would burn if you were asleep all day. The Harris Benedict Equation determines your total daily energy expenditure (calories). Your BMR slows down at roughly 2% every 10 years after the age of 20. This is why many people gain weight as they get older, while maintaining the same caloric intake The calorie calculator, also called the TDEE calculator, can help you in determining how many calories should you eat a day. Calculate Basal Metabolic Rate (BMR) | What is Lean Body Mass? Like it? Share it!More by this author |