Base Attack Bonus

{{#switch: {{{Type}}}

| High = +{{#expr: {{{Level}}} - 0.4999 round 0}}

| Medium = +{{#expr: {{{Level}}} * 0.75 - 0.4999 round 0}}

| Low = +{{#expr: {{{Level}}} * 0.50 - 0.4999 round 0}}

| ?

}}

Expecting values for {{{Type}}} High,Medium,Low and {{{Level}}} 1-20.