QuickBooks 2012 makes calculating numbers simple. Place the selection cursor in an amount field and then use the following symbol keys to make quick calculations.

Key Result
+ Adds the number you just typed to the next number you type
Subtracts the next number you type from the number you just typed
* Multiplies the number you just typed by the next number you type
/ Divides the number you just typed by the next number you type

If the selection cursor is on a date field, you can use these tricks to edit the date:

Key Result
+ Adds one day to the date shown
T Replaces the date shown with today’s date
Subtracts one day from the date shown
] Moves the date shown one week forward
[ Moves the date shown one week back
Moves the date shown one month forward
; Moves the date shown one month back
Y Changes the date to the first day in the year
R Changes the date to the last day in the year
M Changes the date to the first day in the month
H Changes the date to the last day in the month