Notes
Page 3 of 20
Picking a name in front of a room The draw has to be fair and it has to look fair to thirty people at the back, and those are different design problems. Choosing an activity multiplier you will not regret One band is worth 282 calories a day. That is more than half the deficit most people are trying to run. The two weeks a year when your recurring meeting moves London and New York are five hours apart, except for three weeks in spring and one in autumn, when they are four. Which barcode do you actually need? Retail codes are issued numbers you have to own. Internal codes are free text you invent. Choosing wrongly is expensive in one direction only. Why Windows will not open your iPhone photos HEIC is half the size of JPEG for the same picture. The reason nothing else reads it is licensing, not quality. Why an emoji is four bytes A is one byte, é is two, and a grinning face is four. The pattern is visible in the binary if you know where to look. Two dice are not one bigger die 2d6 and a d11 cover almost the same range. One of them rolls the middle six times as often. Working backwards from a sale price A 25% discount on a 40% margin does not remove a quarter of the profit. It removes most of it. Grade, angle and ratio: three ways to write one slope A 100% grade is 45 degrees, not a vertical wall. The three notations are not interchangeable and all three are on the signs. Why a calorie deficit stops working after a few months The target you set at 75 kg is a smaller deficit at 65 kg. The arithmetic moves under you while the number stays still. Reading a tyre sidewall, and what a size change does to your speedometer 205/55 R16 is two millimetre measurements and one inch one. Change the diameter by more than 3% and the car starts lying to you. A raise into the next bracket cannot leave you worse off Only the money above the line is taxed at the higher rate. The whole salary never is.
Page 3 of 20