This calculator allows you to encrypt and decrypt text with Atbash method
Th calculator converts the html table code to JSON array with optional data transpose and compression. It also visualizes numeric data on chart.
The calculator checks LL1 grammar correctness, parses a text using the grammar, shows FIRST, FOLLOW and FIRST PLUS sets, parsing tree and gives PLANETCALC parsing code.
This calculators shows the possible variants of RAID arrays, based on the number of drives available.