Free Spreadsheet App for iOS
'Designed from the ground up for optimal use of the touch interface, Free Spreadsheet has the number crunching power you need and doesn't make you jump through hoops to use it.
Our expanded keyboard keeps the operator and number keys available so you don't have to switch back and forth to write an equation.
Capabilities include formula dragging, limited graphing, and import/export of csv files over WiFi.
Has built-in support for the following functions, with more to come in future updates!
SIN, COS, TAN, ASIN, ACOS, ATAN, RADIANS, DEGREES, SUM, PROD, SUMIF, FACT, MEAN, MEDIAN, MODE, STDEV, SQRT, EXP, LN, LOG, IF, ABS, PMT, MAX, MIN, INT, ROUND'
The app is recommended by Kathy Schrock as an analyzing tool in Bloom's taxonomy.
This is a free app