Maths check please

[iainm]

Running off 9V in parallel. Rebel Star Red and accent red:
Star 9-2.4 / .7 = 9.43 Ohms @ 4.62W
Accent 9-2.0 / .02 = 350 Ohms @ 0.14 W

Now the Greens:

Star 9-3.4 / 1 = 5.6 Ohms @ 5.6 W
Accent 9-2.2 / .03 = 227 Ohms @ 0.204 W

When I ask for resistors at my local electronics shops and I give them a Watts value they look at me like I'm from another planet. They don't sell resistors with Watts values!

Anyway, is my maths correct? If so, I'm doing it right and I will be able to recalculate properly for different battery packs.

If I use a BuckPuck for the main LED will I still need to use a separate resistor for the accents?

Thanks for the help.

Iain

[Generic Jedi]

Your math is correct.

If you use a BuckPuck for your main LED, you WILL need resistors for your accent LEDs.

[iainm]

Thank you. Feeling much more confident about resistors now.