Prime Number Spiral 9.00

Reviews of Prime Number Spiral 9.00

A program to convert between dates in the Chinese, Vietnamese and Japanese lunar calendars and dates in the Gregorian and Julian calendars, and to find lunar new year's day and leap months for any year in the Asian calendars.

Windows software for encryption and decryption of single files or multiple files in a single operation for secure storage or secure transmission. It uses a 500-bit key for security, and has features designed to minimize the chances of user error.

A program for secure file deletion which destroys (by overwriting) data in multiple files and multiple folders so that the data cannot be recovered. Single-file or batch-mode operation. Can wipe deleted files and files in the Windows 7 Recycle Bin.

Adds or subtracts a number of days or months to a date, calculates the number of days between two dates, and converts among dates in various solar calendars: Gregorian, Julian, ISO 8601 Week, Hermetic Leap Week and day-in-year (yyyy-ddd).

Converts from GIF, JPG, PNG and BMP graphics files to JPG, PNG and BMP files. Allows single or multiple file conversion. Can convert to JPGs over a range of quality/compression values for optimization. Converted files displayed in your browser.