If you are not at a keyboard often a few days spent learning to touch type is wasted: your brain will quickly forget and you are back to looking. You need to practice ANYTHING to retain the ability to do it (some things are easier than others which is why you can ride a bike after years of not touching one).
If you are going to use a keyboard often, then the time spent to learn a keyboard is well worth it. However if your day job doesn't require a keyboard those classes won't be helpful.
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If you are not at a keyboard often a few days spent learning to touch type is wasted: your brain will quickly forget and you are back to looking. You need to practice ANYTHING to retain the ability to do it (some things are easier than others which is why you can ride a bike after years of not touching one).
If you are going to use a keyboard often, then the time spent to learn a keyboard is well worth it. However if your day job doesn't require a keyboard those classes won't be helpful.