式6: "t" equals arc tangent left parenthesis, StartFraction, "a" Over "b" , EndFraction , right parenthesist=arctanab
6
式7: StartAbsoluteValue, "x" , EndAbsoluteValue equals "a" left brace, StartAbsoluteValue, "y" , EndAbsoluteValue less than or equal to "b" , right bracex=ay≤b
7
式8: StartAbsoluteValue, "y" , EndAbsoluteValue equals "b" left brace, StartAbsoluteValue, "x" , EndAbsoluteValue less than or equal to "a" , right bracey=bx≤a
8
式9: StartFraction, 0.8 Over StartNestedFraction, pi NestedOver 2 , EndNestedFraction , EndFraction0.8π2
9
式10: StartFraction, 5.4 9 Over StartNestedFraction, pi NestedOver 2 , EndNestedFraction , EndFraction5.49π2