Online Calculators:

Online Javascript Calculator
Units Conversions, Properties and Constants
Loan Calculator
Mortgage Calculator
Currency Converter
Body Mass Index Calculator
Basal Metabolic Rate Calculator
Total Metabolic Rate Calculator
Calories Burned for Various Activities
Pregnancy Due Date Calculator
Predict distance running time from another distance result
Photographic exposure calculator
Text version of a number
Convert a number to roman numerals
Random number generator