You’re mistaken if you consider paper checker a tool for finding misspellings. They can detect any doubtful mistakes quicker, so proofreading requires acceptance of underlined errors and skimming the final version of the text. Moreover, machines are more precise and faster. It is perfect for those students who are overloaded with writing assignments or busy with other affairs. Such a tool can significantly save the time of manual checking and editing. Such a technique has a lot of benefits that are hard not to underestimate. In such a way, a sentence checker may serve as a tool that indicates and offers to edit all the imperfections.
After spending hours in front of the monitor, all the words split together, letters mixed, and most technical errors may be hard to notice with tired eyes.
Since people are not machines, they are tuned to make mistakes.