for educational purpose vs for educational purposes

Some examples from the web:

• If you are thinking your child uses the internet only for educational purpose, then let us pop that bubble, you might be wrong.

Some examples from the web:

• The most obvious use of college math textbooks is by college students for educational purposes.
• After living in Dresden and Gotha for educational purposes, he studied three semesters of law at the Friedrich Wilhelm University in Berlin (1850-51).
• Several smaller telescopes are used for educational purposes.
• I understand the trip was for educational purposes.
• The information about rare diseases and orphan drugs provided by Eurordis is intended for educational purposes only.
• use digitised extracts from the material for educational purposes and/or,
• The video would only be used for educational purposes.
• The collection of medicinal plants, mainly consisting of Tuscan and Italian specimens, is utilised for educational purposes.
• Visitors can visit old battlefields and historical monuments during wars in Vietnam. Tours are also held for educational purposes.
• They settled there in 1737 and had to abandon it in 1767 at the time of their expulsion from the island.This building has been used repeatedly for educational purposes.
• The park is divided into a series of paths and nature trails designed for educational purposes and education, and provides the environmental guides to accompany the visitor.
• All content, including, but not limited to, recipe and health information provided in the in stores area, or any other part of this Site is for educational purposes only.
• Beautiful crag in high ground on gneiss near the Sanctuary of S.Anna di Vinadio. There are 3 sectors among which a stop was set up for educational purposes to try out the various maneuvers.
• It should be noted that since 2000 the number of individuals migrating for educational purposes has considerably increased thanks to the existing educational exchange programmes.
• A distinction should be made between recognition of professional qualifications for carrying out a professional activity and academic recognition for educational purposes.
• Measures to utilise technology for educational purposes should be encouraged, such as television programmes to assist children's linguistic and cultural competence, this will be particularly important for migrant children.
• Debian Edu is a project aiming to make a Debian Pure Blend for educational purposes, which can be used in schools and other educational institutions.
• We are looking for free educational games, or information about free games that can be used for educational purposes.
• Berry Linux can be used to try out and showcase Linux, for educational purposes, or as a rescue system, without the need to make changes to a hard disk.
• The objective, pursued by a florentine school from Le Piagge district, in collaboration with researchers, educators and media educators, was to explore the use of new media for educational purposes.