Writing integral with bounds `int_2^5`
For integral just use int.
Example: `int2xdx`
Syntax: \`intdxdx\`
Fro integral with bounds for lower bound use _2 and upper bound 5 use int_2^5
Example `int_2^5sinxdx`
Syntax: \`int_2^5sinxdx\`
If the bound has letter and or function, use parenthesis
Example `int_(pi/3)^(pi/4)sinxdx`
Syntax: \`int_(pi/3)^(pi/4)sinxdx\`