Blocks per Track app for iPhone and iPad

4.4 ( 6464 ratings )

Reference
Developer: FileArc

Free

Current version: 1.3.1, last update: 8 years ago
First release : 23 Mar 2010
App size: 436 Kb

Calculate how many blocks of a given size will fit on a DASD track. Or calculate the range of block sizes given the number of blocks per track. Supports all historical and modern mainframe DASD CKD devices from the 2305 through the 3390-1T. Choose the key length and if the blocks are Extended Format. Easier to use than all those paper reference summaries!