Online Calculator

1 2 3 4 5 6 7 8 9 0 Entering numbers + − × ÷ Performing basic mathematical operations (addition, subtraction, multiplication, division):
2 + 3 = 5 = Getting the result of the calculation C Clearing 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
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Fractions ÷ Dividing the numerator and denominator in a common fraction:
5 ÷ 8 − 1 ÷ 4 = 3/8
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Fractions 1/x Calculating the reciprocal of a number:
5 1/x = 0.2 x² x³ x^y 10^X Raising to a power:
3 x² = 9
2 x^y 4 = 16
5 10^X = 100 000
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Exponentiation √x ³√x ^y√x Finding the root of a number:
1 2 5 ³√x = 5
1 6 ^y√x 4 = 2
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Root of a number , Separating function arguments:
log 9 , 3 = 2 log Calculating the logarithm:
log 1 6 , 2 = 4
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Logarithms e Entering the mathematical constant e:
log 1 , e = 0