I saw that Reiner's fingers just touched one of the green boxes with the word "Search", and the whole picture immediately changed, becoming a pattern with only one blank line.

Touching the line of blank lightly, a pile of dense text appeared below the screen.

Ashlua, located nearby, soon discovered that these were buttons made of light, and there were different texts on the buttons.

"Because handwritten text is difficult to distinguish due to various reasons, this device uses a fixed keyboard input, well, just like the typewriter used by ordinary people."

Reiner explained that in newspapers run by ordinary people like "Daily Prest", text input relies on a machine called a typewriter. People type text on the keyboard and press keys to push leverage, so that the corresponding text is printed on the paper. In the hands of skilled typists, this input method far exceeds the efficiency of handwriting. If it is purely recorded, it is not even inferior to the automatic notes of the mage.

In some new aristocratic and business families, learning to use typewriters has become a compulsory course for children, so many students present are not unfamiliar with this keyboard.

As he said that, Reiner casually typed a book title, "Introduction to Alchemy", and pressed Enter.

After waiting for about three seconds, the picture suddenly changed, and a string of text replaced the previous blank and appeared in the middle of the picture.

It can be seen that this is a list of different versions of "Introduction to Alchemy". This basic alchemy book compiled by His Excellency Hornheim has been revised many times due to the development of alchemy spells. The latest and largest changes were also the most in the Moon of White Dew. Reiner's electrolytic water experiment became a classic example in the textbook, and the original four major elements theory was reduced from one chapter to a chapter in the history of alchemy development.

Reiner selected the latest version and clicked to see the situation of this book in the library.

There are ten books loaned, three are in the library, a total of thirteen.

At the same time, you can also see a brief introduction to this book on this page, and you can even see the contents of the chapters at the beginning. This is a very convenient function for students who are not clear about which books they need and can only master a rough range.

"This is the most basic search function. Of course, this system also has borrowing and returning functions."

Reiner said, and with a casual wave, a slightly thick book flew out from the bookshelf in the distance, which was the latest version of "Introduction to Alchemy".

He skillfully pressed the back button and returned to the original page. This time, Reiner clicked the borrowing button.

After pressing this button, the picture turned blank, and there was no text for a long time. Just when other students were confused, Reiner placed this heavy book "Introduction to Alchemy" on the stone.

drop--

The stone beeped, and then, the originally blank picture immediately showed information about this book "Introduction to Alchemy", and there is also an option to borrow at the bottom.

Reiner pressed the borrowed button, and the screen jumped again. This time, he prompted to put the ID certificate on the screen. Reiner took out his badge and swept it lightly, and his message appeared again.

"This badge corresponds to the school badge you issued when you entered school. I believe you have used it when you were dining in the cafeteria."

Reiner said, causing many students to bow their heads to confirm the school badge on their uniforms.

The spells used in this school badge have been put into use and are simply a sign of confirming identity. Only by holding the school badge will you not be surrounded by the school's defensive array to call the police. As for the functions of dining in the canteen, it is not uncommon. The mechanics masters have studied many corresponding spells a long time ago.

This is also why Reiner could have developed a decent database so quickly. He did not need to really build a computer system from scratch. He only needed to introduce the characteristics of Black Soul Rock into the original mechanical magic system of this world, and use some functions that are difficult to simply achieve with magic to use the magic conduction characteristics of Black Soul Rock.

Just like the database around Reiner now, if he was a high-level mage in the mechanical system, he could use a certain amount of time to create something with similar functions with simple magic, but its complexity and materials that need to be consumed are far from comparable to those of cheap Heihuang Rock.

By the way, in order to ensure the supply of raw materials, Reiner took a detour to check the production of Heihuang Rock Mine on the way back from the Tower of Rainbow. He also bought several mines with his own money. The value of this rock has not yet been discovered. Reiner has now half monopolized the supply of raw materials for Heihuang Rock and has not spent much money.

Then, Reiner demonstrated the process of returning books again, similar to borrowing, just scan the book, and then scan the badge. The returned books are placed aside and are regularly placed back on the bookshelf by alchemy creatures.

Although this is a simple library management system, it is completely done by machinery. It is very novel for students who are used to the light of magic, especially the interface, which has a certain simple and cold beauty, which is completely different from those fancy styles.

After that, Reiner handed over the machine to the students and smiled with relief as they watched them try out the library management system.

This is just a test piece to test the most basic functions. If it can ensure that there will be no unexpected situations, then Reiner will devote himself to the next development.

The convenience of the Tower of Rainbow gave Reiner a deep feeling. Under the power of the legendary mage, even ordinary mages can enjoy an excellent life experience. At the same time, their application of such convenient tools is extremely simple.

This reminded Reiner of a statement that if the primitive man were given a piece of hard alloy, they would only use it to make spears and swords, but if the same thing was given to modern man, they could develop a brilliant industrial civilization.

Therefore, this is not because these legendary wizards lack imagination, but because they have not accumulated enough. At this point, Reiner's identity as a time traveler gave him endless advantages.

Reiner's tools that can communicate at a distance are not simply used to convey information. He can establish an academic forum to promote exchanges between mages in various parts of the mainland, develop online shopping to communicate the existence of various semi-planes, and even use it to make games, bringing everyone a new way of entertainment.

But all of this requires him to complete the prototype first.
Chapter completed!