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: Scientific Calculator
How to use the calculator
ButtonsUsage1 2 3 4 5 6 7 8 9 0Entering numbers+ − × ÷Performing basic mathematical operations (addition, subtraction, multiplication, division):2 + 3 = 5=Getting the result of the calculationCClearing the calculator screen←Deleting the last entered symbol:
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 in a decimal fraction:
0 . 1 + 0 . 2 = 0.3
More: Fractions÷Dividing the numerator and denominator in a common fraction:
5 ÷ 8 − 1 ÷ 4 = 3/8
More: Fractions1/xCalculating the reciprocal of a number:
5 1/x = 0.2x2 x3 xy 10XRaising to a power:
3 x2 = 9
2 xy 4 = 16
5 10X = 100 000
More: Exponentiation√x 3√x y√xFinding the root of a number:
1 2 5 3√x = 5
1 6 y√x 4 = 2
More: Root of a number,Separating function arguments:
log 9 , 3 = 2logCalculating the logarithm:
log 1 6 , 2 = 4
More: LogarithmseEntering the mathematical constant e:
log 1 , e = 0
