CASTI-89 TITANIUM · CALC89
round(
Rounds a value to a given number of decimal places.
Syntax
round(value[, digits])
- Group
- Number functions
- Arguments
- Takes the value and an optional number of digits after the decimal point.
- Availability
- Included
- Menu path
- MATH ▸ Number ▸ round(
Example
| Input | Result |
|---|---|
| round(3.14159,2) | 3.14 |
Typing round(3.14159,2) on the home screen and pressing ENTER returns 3.14.
Keystrokes on the TI-89 Titanium
2NDMATH12
The same key sequence inserts round( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- sign(Returns the sign of a value: 1 for positive and −1 for negative numbers.
- √(Returns the square root of a value.
- abs(Returns the absolute value of a number, or the modulus of a complex number.
- angle(Returns the argument of a complex number, the angle of its point in the complex plane.
- ans(Recalls a previous answer from the home screen history: ans(1) is the last answer, ans(2) the one before.
- ceiling(Returns the smallest integer that is greater than or equal to a value.
- conj(Returns the complex conjugate of a number, with the sign of the imaginary part changed.
- entry(Recalls a previous entry from the home screen history so it can be evaluated again.