家用充电桩从哪里接电 Online 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: Scientific Calculator

How to use the calculatorButtonsUsage1 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 = 0.3More: Fractions÷Dividing the numerator and denominator in a common fraction:5 ÷ 8 − 1 ÷ 4 = 3/8More: Fractions1/xCalculating the reciprocal of a number:5 1/x = 0.2x2 x3 xy 10XRaising to a power:3 x2 = 92 xy 4 = 165 10X = 100 000More: Exponentiation√x 3√x y√xFinding the root of a number:1 2 5 3√x = 51 6 y√x 4 = 2More: Root of a number,Separating function arguments:log 9 , 3 = 2logCalculating the logarithm:log 1 6 , 2 = 4More: LogarithmseEntering the mathematical constant e:log 1 , e = 0