Using the Calculator
- + add
- adds two numbers
- add 2 and 3
-
2
+
3
=
- - subtract
- subtracts one number from another
- subtract 2 from 5
-
5
-
2
=
- * multiply
- multiplies two numbers
- multiply 2 by 3
-
2
*
3
=
- / divide
- divides one number by another
- divide 4 by 2
-
4
/
2
=
- note: dividing by zero results in "NaN" (not a number)
- . decimal
- puts a decimal point in a number
- enter 3.2
-
3
.
2
- enter 0.1
-
0
.
1
or
.
1
- = equals
- calculates an equation
- calculate 3 * 2
-
3
*
2
=
- repeat operation on previous calculation's result and second operand
- calculate 3 * 2 multiplied by 2
-
3
*
2
=
=
- ± negate
- negates a number
- negate 1 to get -1
-
1
±
- ← back
- deletes last digit of a number
- delete last digit of 3.25
-
3
.
2
5
←
- delete last 2 digits of 3.25
-
3
.
2
5
←
←
- delete last 2 digits and decimal of 3.25
-
3
.
2
5
←
←
←
- delete 3.25
-
3
.
2
5
←
←
←
←
- C clear
- clears entire equation, "resets" calculator
- clear 3 + 2
-
3
+
2
C
- % percent
- adds y percent of x to x
- add 20 percent of 100 to 100
-
1
0
0
+
2
0
%
=
- finds y percent of x
- find 20 percent of 100
-
1
0
0
*
2
0
%
=