~20 years ago, HN user sophiebits made a nice arithmetic trainer: https://arithmetic.zetamac.com/ (discussed here: https://news.ycombinator.com/item?id=1728309 The features I plan to add to make it 'complete':. - Source: Hacker News / about 1 month ago

You should also find an online arithmetic drill site and set it up to give you 1-digit addition, subtraction, and multiplication problems. You don't have to memorize all the 1-digit number facts (I didn't until I was in college) but boy howdy will it speed you up. You should drill until you can do about 30 in two minutes. I recommend arithmetic.zetamac.com ; you should select addition and multiplication only,... Source: 8 months ago

I've spent time improving my written arithmetic with games like https://arithmetic.zetamac.com/. Speed drills. I still struggle with arithmetic that is prompted without being written down. I.e. If someone said "43+12" I would find this hard whereas doing this on a written online speed drill is fine. Does anyone have any resources that would say outloud basic arithmetic questions and I can then input the answers? Source: 10 months ago

I quite like this for helping cognition but weirdly I can still be good at it but have awful memory at the same time. It's quite addictive just press start. Https://arithmetic.zetamac.com. Source: 11 months ago

Arithmetic game (https://arithmetic.zetamac.com/) is good for testing yourself, and you can change the size of the numbers you're working with if you find you have difficulty with a particular combo. Source: about 1 year ago

Keep a tab up where you can periodically check to see how fast you can type https://10fastfingers.com/typing-test/english. Source: over 1 year ago

We tried the one on 10fastfingers.com :D The absolute highest speed we got was 7 wpm, haha. Source: over 1 year ago

If you don't know, check here: https://10fastfingers.com/typing-test/english. Source: almost 2 years ago

Bit over a week into learning and really enjoying it so far just started first project and want to try to get it looking something like this with cool effects. Got first game's functionality working but css is booming me, feels like I'm tryna start a fire with sticks. I'd like to just start learning a good solid setup now all at once while I'm already struggling lol, so just looking to be pointed in a good... Source: almost 2 years ago

Work on your typing speed, take frequent breaks, and make sure your workstation is ergonomic. We spend a lot of time in front of the PC and are prone to injury because of it. That said, don't expect to be able to sit and write for three hours at a time if you've never sat that long at a computer or typed that much; you can work your way up to those more intense sessions. Source: about 2 years ago