Scientific Calculator
This calculator performs most of the mathematical operations you may need for study or work. Examples are given for all possible actions. If you don’t need so many functions, use a simple calculator. More: Simple Calculator
How to Use the Scientific Calculator
| Buttons | Usage |
|---|---|
| 1 2 3 4 5 6 7 8 9 0 | Entering digits |
| + − × ÷ | 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 More: Fractions |
| ÷ | Dividing the numerator and denominator in a common fraction: 5 ÷ 8 − 1 ÷ 4 = 3/8 More: Fractions |
| 1/x | Calculating the reciprocal of a number: 5 1/x = 0.2 |
| x2 x3 xy 10X | Raising to a power: 3 x2 = 9 2 xy 4 = 16 5 10X = 100 000 More: Exponentiation |
| √x 3√x y√x | Finding 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 = 2 |
| log | Calculating the logarithm: log 1 6 , 2 = 4 More: Logarithms |
| e | Entering the mathematical constant e: log 1 , e = 0 |
| π | Entering the mathematical constant π |
| 2nd | Activating the second function of the buttons |
| 2nd i | Entering the imaginary unit i |
| 2nd % | Finding the percentage of a number, changing the number to a percentage: 4 0 × 5 2nd % = 2 4 0 − 5 2nd % = 38 More: Percentages |
| sin | Calculating the sine of an angle: sin 9 0 = 1 |
| cos | Calculating the cosine of an angle: cos 1 8 0* = −1 |
| tan | Calculating the tangent of an angle: tan 4 5 = 1 |
| cot | Calculating the cotangent of an angle: cot 9 0 = 0 |
| sec csc | Calculating the secant and cosecant of an angle: sec 6 0* = 2 |
| sinh cosh tanh | Calculating hyperbolic functions |
| 2nd asin 2nd acos 2nd atan 2nd acot 2nd asec 2nd acsc | Calculating inverse trigonometric functions: 2nd asin 1 = 90° 2nd asec 2 = 60° |
| ! | Calculating the factorial of a number: 5 ! = 120 |
| ncr npr | Calculating the number of combinations (without repetitions) and permutations (without repetitions): ncr 6 , 4 = 15 |
| x | Entering a variable in the equation being solved: 6 × x − 8 x=y 4 = x = 2 More: Equations |
| 2nd mod | Performing division with remainder: 8 2nd mod 3 = 2 |
| 2nd ! | Performing a cross product: ( 1 , 2 , 3 ) 2nd ! 2nd ( 4 , 5 , 6 ) = (−3 6 −3) |
| 2nd [ 2nd ] | Denoting the beginning and end of a matrix, denoting the beginning and end of a matrix row: 2nd [ [ 1 , 2 , 3 ] [ 4 , 3 , 1 ] [ 2 , 4 , 0 ] ] 2nd × 2 = ⎡ 2 4 6 ⎤ ⎢ 8 6 2 ⎥ ⎣ 4 8 0 ⎦ More: Matrices |