今天玩计算器，查了一下计算器的热键之后，突然想知道Windows自带的计算器上C按钮和CE按钮有什么区别.

两个按钮都是清除或取消输入的一种方式。C按钮将清除对计算器的所有输入。CE按钮清除了最近的输入。

比如：

输入一个算式，28+5.

这时，如果按下CE按钮，那么会变成28+，等待你输入下一个被加数，即最近输入的59被清除了。

如果按下的是C按钮，那么整个算式都会被清除。二者的区别就在这里。

附上Windows自带的计算器的热键列表：

Windows 7 Calculator Keyboard Shortcuts

Alt+1

Switch to Standard mode

Alt+2

Switch to Scientific mode

Alt+3

Switch to Programmer mode

Alt+4

Switch to Statistics mode

Ctrl+E

Open date calculations

Ctrl+H

Turn calculation history on or off

Ctrl+U

Open unit conversion

Alt+C

Calculate or solve date calculations and worksheets

F1

Open Calculator Help

Ctrl+Q

Press the M- button

Ctrl+P

Press the M+ button

Ctrl+M

Press the MS button

Ctrl+R

Press the MR button

Ctrl+L

Press the MC button

%

Press the % button

F9

Press the +/– button

/

Press the / button

*

Press the * button

+

Press the + button

-

Press the – button

R

Press the 1/× button

@

Press the square root button

0-9

Press the number buttons (0-9)

=

Press the = button

.

Press the . (decimal point) button

Backspace

Press the backspace button

Esc

Press the C button

Del

Press the CE button

Ctrl+Shift+D

Clear the calculation history

F2

Edit the calculation history

Up Arrow key

Navigate up in the calculation history

Down Arrow key

Navigate down in the calculation history

Esc

Cancel editing the calculation history

Enter

Recalculate the calculation history after editing

F3

Select Degrees in Scientific mode

F4

Select Radians in Scientific mode

F5

Select Grads in Scientific mode

I

Press the Inv button in Scientific mode

D

Press the Mod button in Scientific mode

Ctrl+S

Press the sinh button in Scientific mode

Ctrl+O

Press the cosh button in Scientific mode

Ctrl+T

Press the tanh button in Scientific mode

(

Press the ( button in Scientific mode

)

Press the ) button in Scientific mode

N

Press the ln button in Scientific mode

;

Press the Int button in Scientific mode

S

Press the sin button in Scientific mode

O

Press the cos button in Scientific mode

T

Press the tan button in Scientific mode

M

Press the dms button in Scientific mode

P

Press the pi button in Scientific mode

V

Press the F-E button in Scientific mode

X

Press the Exp button in Scientific mode

Q

Press the x^2 button in Scientific mode

Y

Press the x^y button in Scientific mode

#

Press the x^3 button in Scientific mode

L

Press the log button in Scientific mode

!

Press the n! button in Scientific mode

Ctrl+Y

Press the y√x button in Scientific mode

Ctrl+B

Press the 3√x button in Scientific mode

Ctrl+G

Press the 10x button in Scientific mode

F5

Select Hex in Programmer mode

F6

Select Dec in Programmer mode

F7

Select Oct in Programmer mode

F8

Select Bin in Programmer mode

F12

Select Qword in Programmer mode

F2

Select Dword in Programmer mode

F3

Select Word in Programmer mode

F4

Select Byte in Programmer mode

K

Press the RoR button in Programmer mode

J

Press the RoL button in Programmer mode

<

Press the Lsh button in Programmer mode

>

Press the Rsh button in Programmer mode

%

Press the Mod button in Programmer mode

(

Press the ( button in Programmer mode

)

Press the ) button in Programmer mode

|

Press the Or button in Programmer mode

^

Press the Xor button in Programmer mode

~

Press the Not button in Programmer mode

&

Press the And button in Programmer mode

A-F

Press the A-F buttons in Programmer mode

Spacebar

Toggles the bit value in Programmer mode

A

Press the Average button in Statistics mode

Ctrl+A

Press the Average Sq button in Statistics mode

S

Press the Sum button in Statistics mode

Ctrl+S

Press the Sum Sq button in Statistics mode

T

Press the S.D. button in Statistics mode

Ctrl+T

Press the Inv S.D. button in Statistics mode

D

Press the CAD button in Statistics mode

参考资料

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Want to know the difference between 'C' and 'CE' functions on Windows calculator? Read this!

https://zeenews.india.com/news/science/are-you-aware-how-different-are-c-and-ce-functions-on-windows-calculator-if-not-then-read-this_1884510.html

Windows计算器上的“ C”和“ CE”功能有什么区别？

https://qastack.cn/superuser/449637/whats-the-difference-between-c-and-ce-functions-on-windows-calculator

Windows 7 Calculator Keyboard Shortcuts

http://www.shortcutmania.com/Windows-7-Calculator-Keyboard-Shortcuts-printable-cheatsheet.htm