This
program is a part of windows operating system, which used for mathematical
calculation.
How to start calculator: -
Ø
Startà All Programsà Accessoriesà Calculator
Ø
Start+R
(Run)à Calcà Ok
Note: - Calculator has standard size, that
means can’t resize it. (Maximize, Restore).
There are four types of calculator.
Ø Standard
calculator
Ø Scientific
calculator
Ø Programmer
Calculator
Ø Static
Calculator
Standard Calculator: - It is used for
simple calculator. Like Addition, subtraction, multiplication etc.
![](https://i.imgur.com/w8hZ3BY.jpg)
There are some
special commands of standard calculator: -
Ø
MC :- (Memory value
clears)
Ø
MR :- ( Memory
recall)
Ø
MS :- (Store value in calculator memory)
Ø
M+ :- (Add value in calculator memory)
Ø
M- :- (Subtract value from memory)
Scientific
calculator: -
It is a category of calculator but it is more powerful than other, it has
capacity to calculator simple to complier calculation.
![](https://i.imgur.com/ETDB7m2.jpg)
How
to change one calculator to another calculator?
·
Click
on view menuà click on scientific
calculator / Programmer / Static Calculator.
CHARACTER MAP
It
is very special application of Ms-Windows operating system, which has capacity
to insert many type of different symbol in the document. Like: - Telephone
symbol, Hand symbol any type of mathematical function----etc. It has no menu
bar and cannot maximize it.
In
character map show all character in the form of picture and capacity is “224â€
symbol maximum, all symbol are depend on fonts. Like: - wingding,
wedding-------etc.
Note: - Symbol can’t go
directly in Ms-Paint WordPad can transfer the Symbol in Ms-Paint.
How
to start Character Map: -
Startà All programsà Accessoriesà System toolsà Character Map
Startà Runà Charmapà Ok
How to insert
any Symbol in the document: -
Ø
Open
WordPad
Ø Put the cursor
where you have to insert symbol
Ø Open character
Map
Ø Select any
symbol and copy it.
Ø Open your file
where you want to insert symbol.
Ø Click on edit menu
Ø Click on paste