Computer 
   ASCII Codes  
   Country Domain Codes  
   Software & Drivers 
   URL Escape Codes 

Modems
   Dial String Symbols 
   Modem Commands 
Web 
    HTML Standards 

Weights & Measures 
    Weights/Meas/Conversion 

Air Composition 

Automotive
     Anti-Freeze Table  
     Tire Size 
Holidays
  Jewish Holidays 
Mathematical 
    Roman Numerals 
Military
    Military Grade and Rank  



Electrical  
   Capacitor Color Codes 
   Conduit Size vs Wire Size
   Resistor Color Codes 
   Wire Capacity 
   Wire size vs length 

Radio 
    Radio Alphabet 
    "Ten" Radio Codes 
    Morse Code

Money 
    Currency Converter 
    Social Security Calculator 
    Inflation Calculator 
  also see Taxes, Retirement
Nutrition 
   Fast Food Facts 
  Health Check Systems
Poisons - Toxins 
     Toxic Plants 
 

Calendars 
   Create calendars/important dates
   Calendar Zone  
  Skywatcher's Diary
  Virtual Reality Moon Phase Pictures
  Seasons:  US Naval Observatory Data



Special Occasions 
     Birthstones 
     Wedding Gifts 

Taxes 
     Estate Tax Calculator 
     Income Tax Tables 
Water 
    Hardness 
    Pollutants  

Emergency Measures

Registration for:
    Passport/Visa/Vehicle/
     Voting/Citizenship/Guns/.etc.

Download
     Software & Drivers 

National Institute of Standards & Technology