to find out (something) by working with numbers

compute or estimate amount

to mark the scale of a (thermometer, gauge or other measuring instrument)

calculate, judge

callipers

calculate, judge

an instrument used for measuring the diameter of round objects or the inside measurement of tubes etc

calculate, judge

to find the meaning of (something written in code, bad handwriting etc)

figure out, understand

to think out, invent (a plan etc)

conceive, dream up

to know (something) in advance

anticipate, predict

to say (what will happen)

predict, warn

to produce (an idea etc) as a hypothesis

speculate

a plan, idea etc that cannot happen or be successful

think about deeply and theorize

to think, consider, form opinions (without having complete knowledge); to buy and sell goods, shares etc with the hope of profit from changes in their market value

think about deeply and theorize