Web 2.0 scientific calculator

# Calculator

This calculator performs all the basic mathematical operations that you may need in everyday life. Examples are given for all possible actions. If you need more functions, use a scientific calculator. More detailed: Scientific Calculator

## How to use the calculator

ButtonsUsage
1 2 3 4 5 6 7 8 9 0Entering numbers
+ × ÷Performing basic mathematical operations (addition, subtraction, multiplication, division):
2 + 3 = 5
=Getting the calculation result
CClearing the calculator screen
Deleting the last character entered:
1 2 3 4 123
±Changing the sign of a number from positive to negative and vice versa:
3 ± −3
( )Entering parentheses:
( 2 + 2 ) × 2 = 8
.Separating the fractional part of the decimal fraction:
0 . 1 + 0 . 2 = 0.3
÷Separating the numerator and denominator in a common fraction:
5 ÷ 8 1 ÷ 4 = 3/8
1/xCalculating the reciprocal of a number:
5 1/x = 0.2
x2 x3 xy 10XPerforming exponentiation:
3 x2 = 9
2 xy 4 = 16
5 10X = 100 000
√x 3√x y√xCalculating the root of a number:
1 2 5 3√x = 5
1 6 y√x 4 = 2
,Separating function arguments:
log 9 , 3 = 2
logCalculating the logarithm:
log 1 6 , 2 = 4
eEntering the mathematical constant e:
log 1 , e = 0