By -
pretty much every single day. It's like asking when gravity is most useful.
Helping kids with homework.
Algebra - the ability to work out the unknown number is extremely useful
When you need to do math. So any time you go shopping, eat out, go on a trip, use a ruler, design something, etc.
Simple formulas. Variable substitution for cost benefit analysis. When people want to see the estimates on how much ca$h they can save by pursuing things differently than they have been.
Co-worker: What's 4/5 of 4? Opening calculator on phone. Me: 3.2 Co-worker: Ok rain man. Me: Dude, you are in sales and can't do basic math?
If you play any mmo or gatcha game you use math, probability and statistics unknowingly all the time
pretty much every single day. It's like asking when gravity is most useful.
Helping kids with homework.
Algebra - the ability to work out the unknown number is extremely useful
When you need to do math. So any time you go shopping, eat out, go on a trip, use a ruler, design something, etc.
Simple formulas. Variable substitution for cost benefit analysis. When people want to see the estimates on how much ca$h they can save by pursuing things differently than they have been.
Co-worker: What's 4/5 of 4? Opening calculator on phone. Me: 3.2 Co-worker: Ok rain man. Me: Dude, you are in sales and can't do basic math?
If you play any mmo or gatcha game you use math, probability and statistics unknowingly all the time