math

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Across
  1. 3. comes from a German word denoted as Z
  2. 6. not consistent or having a fixed pattern
  3. 7. a famous mathematician, and philosopher
  4. 8. was a German mathematician from 1970 who lived till (1831-1916
  5. 9. a German mathematician from 1970 who lived till (1845-1918)
Down
  1. 1. was the first one to compute digits in the decimal expansion of π. He showed 3.140845< π < 3.142857
  2. 2. denotes a temperature scale on which water freezes at 0° and boils at 100° under standard conditions.
  3. 4. the great Indian mathematician and astronomer found the value of π correct to four decimal places (3.1416).
  4. 5. denotes a scale of temperature on which water freezes at 32° and boils at 212° under standard conditions.