a807e1ea-e61f-46a4-9080-70fd2ae62934 46 4 5 false false 0 decimal
&[PAGENUM] / &[COUNT]
 <p fontName="Arial">equrep</p> <p fontName="Arial">isol</p> 16

With other method for isfree this can isolate for expressions, not only for variables.

try to isolate the variable var in expression.

 t b a - c / ≡ θ c a - b / atan sqrt ≡ t c a cos - b / ln n nthroot ≡ a c - t n ^ exp b * + ( - acosh ≡ t b c - a ln + ( n * / - exp ≡ a 1 c t ln * b * n * - t ln b * n * / - exp ≡ x a asin - ≡

isol returns only the value, but an equation if can't find a close expression

 b c - a ln + ( n * / - exp x a - x cos + ( - 0 ≡