Various uses of the calculator in win7

I have been playing Windows 7 for a year. Everyone said that Windows 7 is better than XP and Vista. I believe that I believe that I am a legendary literary star, a master of high hands.
One day, a soft-media colleague raised a mortgage, opened his mouth and cried, said that let me wait for him to give me a specific calculation of the exact number, I am telling him to open the browser to search for the mortgage repayment calculator. At this time, press the next shortcut key (Ctrl+Alt+J) to open the calculator. Of course, this shortcut is the affirmation of his own settings. I was a bit stupid, snoring, tired, and had a dedicated loan calculator.
He was very surprised to give me a look: "Intermediate, fine, special!"
Tianjin dialect and dialects that don't know where to say, I am speechless …… this, inconspicuous The calculator that comes with Windows7 has grown so much ……
Okay, it’s no good, it’s a few pictures, everything is in the air.
Steps/Methods
Figure 1: The secrets are all in the menu, standard, scientific, programmer, statistics … … well, the compact calculator interface can transform more complex functional interfaces.

Figure 2: Unit conversion (Ctrl+U)
Common 11 unit conversions, all have ……

Figure 3: Date calculation, which is calculated from a certain day How long is it from a certain day?

Figure 4: Well, there is fuel consumption, loan calculation ……
I have to look at it myself, or some use, I will be a low-key person, modest and progressive , shame and study … …
, on the fine Win7 calculator!

Experience content is for reference only, if you need to solve specific problems (especially in the field of law, medicine, etc.), I suggest you detail Consult professionals in related fields.