<tt>
Mathematics open numerator: Mn(
</tt>

<ms>
- Instruction: Mn(
- Parameter: none
- Return: true if the numerator is opened.

- Description:
This instruction returns true if the opening round bracket opens the numerator of a complex fraction. The instruction should only be used on the open round bracket "(".

- Examples:

Text string: (
Braille string: 123456
Condition: Mn(
Description: In the fraction "(2+4)/(5+4)", the parenthesis "(" of the numerator is transcribed with the cell "123456", provided that the other parentheses and the fraction have been properly encoded with the numerator and denominator instructions.
</ms>

<rl>
</rl>

<ck>
01Q44VI0P7GX2L
</ck>

<in>

</in>
