I was concerned about the desk ref being too outdated, but 14 years isn't too bad. I'm always looking for things like this because I want to give my nieces/nephews offline reference stuff since their parents are being very careful about technology/internet over-exposure.
> I was concerned about the desk ref being too outdated, but 14 years isn't too bad.
There's a lot of 'constants':
* AIR and GASES: General Gas Laws and Formulas, Elevation vs. Air & Water Properties, etc
* AUTOMOTIVE: Oil Viscosity vs. Temperature, Tire Speed Rating Symbols, Speed vs. Skid Marks Dry Conditions, …
* CARPENTRY and CONSTRUCTION: Insulation Value of Materials, Concrete, Hand Signals for Crane & Hoise
* CHEMISTRY and PHYSICS: Element Tables, pH of Common Acids/Bases, Radioisotope Half Lives
* ELECTRICAL: Current Carrying Capacity of Copper Wire 1 wire, Wire Size vs. Voltage Drop, Horsepower vs. Torque vs. RPM,
* MATH: Convert Angle in Degrees to Degree and Minute, Slope; Natural Trigonometric Functions; Squares, Cubes and Roots – Whole Numbers; Log 10, Log e, Circumference & Area
* CONVERSION FACTORS: 3,400 Conversion Factors
* GENERAL INFORMATION 1: Plastic Recycling Symbols, Phonetic Alphabet – Radio & Law Enforcement, Morse Code, Semaphore Alphabet, American Sign Language, Chili Pepper Hotness Scale, Clothing Sizes – USA vs. Europe
* https://news.ycombinator.com/item?id=40675947
but for 'random facts' that may be of interest, I ran across this line of reference books that cover a bunch of topics:
* https://sequoiapublishing.com/product/desk-ref/