# Manuals/calci/QUATERNION

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**QUATERNION (a,b,c,d)**

- and are any real numbers.

## Description

- This function shows the coefficient of the Quarternion.
- In , and are any real numbers.
- Quartenion is a complex number of the form w + xi + yj + zk, where w, x, y, z are real numbers and i, j, k are imaginary units.
- The imaginary units are satisfy certain conditions:
- .
- = =
- = =
- = =

## Examples

- QUATERNION(9,2,3,4) = 9 2 3 4
- QUATERNION(8,-2,4,-5) = 8 -2 4 -5
- QUATERNION(-9,-12,-16,-20) = -9 -12 -16 -20