Section 6 Calculator
6.1 Arithmetic Operator
| Operator | Explanation | Example |
|---|---|---|
| + | Addition | 2 + 5 |
| - | Subtraction | 2 - 5 |
| * | Multiplication | 2 * 5 |
| / | Division | 5 / 2 |
| %% | Modulus | 5 %% 2 |
| %/% | Integer division | 5 %/% 2 |
| ^ | Exponentiation | 2 ^ 5 |
| () | Parenthesis (precedence rule) | (2 + 5)*3 |
6.2 Examples
12 + 15
12 - 15
12 * 5
15 / 2
15 %% 2
15 %/% 2
2 ^ 5
(12 + 15) / 3
20/4/2
(20/4)/2
20/(4/2)6.3 More Examples
- Find the value of the following R expressions:
3^2 + 5 * 8 / 2 - 10
15 %% 2 * 9 / 5 * 2
15 %% 4 / 9 * 3 * 2
2^5 %/% 6 / 2 * 3
2^5 %/% (6 / 2 * 3)
2^5 / 2^3 / 10^2
- Write an R expression and find the value of the following mathematical expressions:
\[ \large \frac{3^5}{3^2} \times \frac{2^5}{2^3} - \frac{10+4}{7} \]
\[ \large \left(\frac{2^3}{4} + \frac{3^2}{4.5} \right) \left( \frac{10^2}{5+5} - \frac{10^2}{10^{-1}} \right) \]