Calculate age and time differences
Calculate differences between dates
Basic arithmetic operations
Calculate percentages, increases, and decreases
Calculate Mean, Median, Mode, and Range
Calculate Body Mass Index and health status
Calculate daily calorie needs (BMR & TDEE)
Estimate monthly payments and total interest
Calculate tips and split bills
Calculate mortgage payments with PITI breakdown
Calculate Simple and Compound Interest
Calculate Return on Investment
Calculate sale price and savings
Calculate trip cost and fuel efficiency
Calculate Cumulative Grade Point Average