Windows XP Pocket Reference

Name

Calculator — \windows\system32\calc.exe

Synopsis

Start → All Programs → Accessories → Calculator

Data can be entered by clicking the buttons or by pressing keys on the keyboard. All keys have keyboard equivalents; those key mappings that are not quite obvious (such as log) are documented in Table 3-1. Note that many of the functions are available only in Scientific mode (Table 3-2).

Table 3-1. Calculations and keyboard equivalents

Calc button	Keyboard key	Action
C	Esc	Clear all calculations
CE	Del	Clear last entry
Back	Backspace	Clear last digit
MR	Ctrl-R	Display the number stored in memory
MS	Ctrl-M	Store the current value in memory
M+	Ctrl-P	Add the current value to the number stored in memory
MC	Ctrl-L	Clear the Memory
+/-	F9	Change the sign (negative)

Table 3-2. Scientific calculation buttons and keyboard equivalents

Calc button	Keyboard key	Action
Inv	i	Sets the inverse function for sin, cos, tan, Pl, xy, x2, x3, Ln, log, sum, and s.
Hyp	h	Sets the hyperbolic function for sin, cos, and tan.
F-E	v	Turns scientific notation on and off. Can only be used with decimal numbers. Numbers larger than 1015 are always displayed with exponents.
( )	( )	Starts and ends a new level of parentheses. The maximum number of nested parentheses is 25. The current number of levels appears in the box above the ) button.
dms	m	If the displayed number is in degrees, convert to degree-minute-second format. Use Inv + dms to reverse the operation.