The Global Think Test is made up of a series of online brain games, quizzes and puzzles, specially created to let participants hone their combination and calculation skills
In 1871 Edward Sang published a seven-figure table of logarithms of numbers from 20,000 to 200,000, the logarithms between 10o,000 and 200,000 being the result of a new calculation.
calculation הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד