Super Calculator HD with history record at Mac App Store analyse

Now "Calculator S " was renamed as "Super Calculator with history record" ***** Ranked as Top 10 Utilities for iPad ***** Calculator S for iPad , S means : 1. Symbolic -- Support brackets , X, Y, Z three variables , ^(Exponentiation ), # (root) , and follow BEDMAS rule . 2. Super -- Full function supported , Super powerful 3. Smart -- Smart design , easily use functions and variables 4. Sketch board -- Very powerful sketch board , can draw function curve ! Those three S make the best Scientific Calculator for iPad ! Best Calculator ever with expression automatically calculated ! 1. Get result while typing ! can calculate complex expression with priority of operators , for example 3+3*2 = 9 , 3+3*2^2=15 2. Can use x, y ,z as variables ! 3. Support many functions , such as sin ,cos , lg , ln , rad , deg , fact(factorial) . 4. Easiest way to use brackets ! 5. Exchange to HEX , OCT . 6. Many converters , such as mile to km , km to mile , pound to kg , kg to pound Best Scientific Calculator Ever Awesome calculator ! ***** by Eric in CA Mar6,2011 Handles expressions correctly as written and shown in the bar above the answer . No need to check work by re-entering numbers ! This is a great app ! --------------------------------------------- Finally a good free app ***** by Mike Wege Apr 6 , 2011 Oh got this is perfect ! I love the modifiable history function . No more "losing track" --------------------------------------------- Best app for bracketed equations ****** by Jime3 May 17 ,2011