Arithmetic


Please fill in the first two boxes and then click the operation, and the result shows in the third box.
   =   

Percent Change

Please fill in any first two boxes and then click one button.
Original Amount Inc (tips) Final   Amount
Percent change Dec(discount) Change Amount
%

Rate, Prorate, Proportion

Leave any one box blank and click "Calculate". a:b = c:d)
a (e.g. hours or #days/month) b (e.g. pay or monthly rent)
c (e.g. 1 or days rented) d (e.g. rate or prorated rent)

Factorization

Fractions

Scientific


deg
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Statistics


Fill the following area. Separate the items by space(s). For weighted average (e.g. GPA), the value weight pairs e.g. 4.0 (score of grade A) 3 (3 credits) are entered. Check "Weighted Avg" and click "Calculate". For regular statistics after filling the big box, uncheck "Weighted Avg" (if already checked) and then "Calculate".
Weighted Avg:
Min 1st Quantile Median 3rd Quantile Max
Sum Count Average Mode Deviation
 
 
n          r rCn rPn

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Financial

Investment
(Leave any one box blank)
Present
Value (PV)		 Year (N) Rate % Future
Value (FV)

Retirement
(Leave only last box blank)
Present
Value (PV)		 Annual Invest
Amount		 Year (N) Rate % Future
Value (FV)

Loan, Mortgage
(Fill in first 4 boxes, then calculate)
Loan
Amount (PV)		 Term
(Months)		 Rate % Months
Paid (k)
Payment (PMT) Total
Interest		 Principle
Paid		 Loan
Balance

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Balloon Loan
(Fill in first 3 boxes:)
Term
(Months)		 Rate % Months
Paid
(Then fill any two of the next 3 boxes and calculate:)
Loan
Amount (PV)		 Payment (PMT) Loan
Balance
Interest
Paid		 Total
Interest

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Unit Conversion

(Fill in any box then click "Calculate")

Distance
Meters Inches Feet Yards Miles

Area
Meter 2 Inch 2 Foot 2 Yard 2
Mile 2 Acres

Weight
Kilograms Ounces Pounds

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Volume

Liters Table
Spoons 		Fluid
Ounces		 Cups Pints
Quarts Gallons Imperial
Gallons

Temperature
Celsius (0 C o ) Fahrenheit (32 F o )

Time

Days Seconds Minutes Hours
Weeks Months Years

Unit Operations Top

Date Duration, Addition, and Subtraction


(This is a 2-in-1 date calculator: duration, and date addition / subtraction. If you fill 2 dates in the first 2 rows and click "-" and "Calculate", the last row will be the duration; The first date will auto-filled if you click "Today". The day of week is filled by the computer as well. The 1st date "+"/"-" the number of days in the 2nd row equals a new date in the 3rd row.)
Year Month Day D.Week
=

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Time Duration, Addition, and Subtraction


This is a 2-in-1 time calculator: duration, and time addition / subtraction. If you fill 2 times in the first 2 rows (if you don't check am/pm, they are in 0-23 hour format) and click "Duration" and "Calculate", the last row will be the duration; The 1st time "+"/"-" the number of hour/minute/second etc. in the 2nd row (don't check am/pm in this case) equals a new time in the 3rd row.
Hour Minute Second
am pm
am pm =
am pm

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