Calc.exe

General

Alt + 1	Standard Mode
Alt + 4	Programmer Mode
CTRL + M	MS (Store to memory)
CTRL + P	M+ (Add to memory)
CTRL + Q	M- (Subtract from memory)
CTRL + R	MR (Recall from memory)
CTRL + L	MC (Clear memory)

Programmer Mode

F5	Hex
F6	Dec
F7	Oct
F8	BIN
F12	QWORD
F2	DWORD
F3	WORD
F4	Byte
&	AND
|	OR
^	XOR
~	NOT
\	NOT
.	NAND
Shift + >	Right Shift
Shift + <	Left Shift