Performance help

[Ray_DK]

Code:

        Climb                              Descent CAS TAS  MACH LSS           CAS TAS  MACH LSS

---   ^     ^     `´            ---   `´    `´    ^
`´   ---    ^     `´             ^   ---    `´    ^
`´   `´    ---    `´             ^    ^    ---    ^

--- constant    `´ Decrease   ^ increase

Just had a go at it.