Mathematics open numerator- Mn(

- 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.