Arithmetic & Number Theory
Round to Decimals
Round x to d decimal places.
Formula
Formula
y = round(x · 10d)10d
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| x | value | real number (ℝ) | — | input |
| d | decimal places | integer (ℤ) | — | input |
| y | rounded value | computed result | — | result |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenx = 3.14159, decimals d = 2
Result3.14
Example 2
Givenx = 2.71828, decimals d = 3
Result2.718