Texas Instruments TI89 and TI92 Plus Computer 



Version  1.0 (March 08, 2000) 
Download  [ ii.zip ] 
Description  Iterated integrals. This function is nearly equivalent to nesting the integral function but some may find this format easier for entry. 
Screen shots 

Documentation  Usage:
ii(Expr,{{Var1[,LOW[,HIGH]]},...}) >EXPR Expr: An integrable function of one or more variables (limited only by memory). LOW: Optional constant of integration (or lower limit of integration if HIGH is included). HIGH: Optional upper limit of integration. Return value:
Examples:
2. ii(x+y, {{x,a}, {y,b}}) or ii(x+y, [x,a;y,b])
3. ii(x+y, {{x,0,1}, {y,1,2}}) or ii(x+y, [x,0,1;y,1,2])
