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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
It think it can be very useful once I get the hang of it. Disappointed that for a yearly subscription of $72.00 you don't get access to the erase feature. This feature is even free online. Do consider and include it.
2016-10-15
I am loving it so far. Their customer service is excellent in terms of response time and solving the problem. I actually unsubscribed after realizing that the cost was $20 monthly. But I had the option of paying annually and saved some money. So far I am having a great experience with PDF filler.
2016-12-31
What do you like best?
Easy to use, anyone who I've sent a file has had no issues receiving and downloading. Some of them have told me they've gone on to use the product regularly themselves.
What do you dislike?
Nothing to do with pdffiller, but I sometimes forget to set up the files I'm uploading in the right folders. That's on me.
What problems are you solving with the product? What benefits have you realized?
Under the 'documents' tab, the 2 columns on the right could be made more distinctly different from each other to denote they are in fact different. They are just two shades of gray and not that different in tone.
Easy to use, anyone who I've sent a file has had no issues receiving and downloading. Some of them have told me they've gone on to use the product regularly themselves.
What do you dislike?
Nothing to do with pdffiller, but I sometimes forget to set up the files I'm uploading in the right folders. That's on me.
What problems are you solving with the product? What benefits have you realized?
Under the 'documents' tab, the 2 columns on the right could be made more distinctly different from each other to denote they are in fact different. They are just two shades of gray and not that different in tone.
2019-05-22
Thanks to this app I am able to edit my work pdfs
Thanks to this app I am able to edit my PDFs so easily. This helps a lot in my corporate life. I do not know what I would do without it. my favorite feature is the one that allows me to edit the order of the pages, and merge PDFs together.
2024-09-12
Really intuitive and easy to use…
Really intuitive and easy to use interface. I'm not the best with computers but I was able to workout what I needed to do fairly easily just by playing around with the site.
2023-10-02
Nice Online Editor
Firstly, thank you for this beautiful pdf editor. Lately I was in need of pdf editors and most of them were either paid or working bad, but pdffiller looks clean and easier to use than other free online pdf editors.
2022-08-29
Editable Template
I needed a template to create a one pager for a project and pdf filler was perfect for editing the document. I could even add pictures.
2022-05-29
Excellent customer service and support
Excellent customer service and supportI recently needed to contact them for an issue I had and was helped by Shannen. I used their Live Support Chat, waited less than 1 minute and my problem was dealt with with in less than 5 minutes. Shannen was helpful, polite and made it easy. The fact that this took such little time, without hassle was fantastic. Excellent company to deal with!
2020-05-27
I'm happy with the use of the forms, however it showed a monthy price, so I was suprised when I was charged for the entire year up front. I only needed the product for a couple tax documents.
2025-03-26
Choose Equation Form Feature
The Choose Equation Form feature helps you select the right equation format for your needs. This tool streamlines your work, making complex calculations simpler and easier to manage.
Key Features
Easy selection of equation formats
User-friendly interface
Customizable options for various needs
Instant previews of selected formats
Compatible with multiple applications
Use Cases and Benefits
Students can streamline homework and assignments
Professionals can simplify data analysis tasks
Educators can enhance teaching materials effectively
Researchers can format equations for publications effortlessly
This feature solves your equation formatting issues by providing a clear, straightforward way to select the most suitable format for your specific project. By reducing the complexity of equation management, you can save time and enhance accuracy in your work.
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
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What is the formula for combinations?
To calculate combinations, we will use the formula NCR = n! / r! * (n — r)!, where n represents the total number of items, and r represents the number of items being chosen at a time. To calculate a combination, you will need to calculate a factorial.
How many combinations of numbers are there?
Thus, for the letters, there are 26 possibilities for each of the 3 slots, and for the numbers, there are 10 possibilities for each of the 3 slots. The total number of combinations is then: 26 × 26 × 26 × 10 × 10 × 10 = 17,576,000 18 million.
How do you calculate the number of possible combinations?
To calculate combinations, we will use the formula NCR = n! / r! * (n — r)!, where n represents the total number of items, and r represents the number of items being chosen at a time. To calculate a combination, you will need to calculate a factorial.
How many combinations of 4 numbers are there?
Answer: There are 9,999 different combinations in a 4-digit lock. And now we have 1,000+9,000=10,000 combinations total.
How many combinations of 3 numbers are there?
There are, you see, 3 × 2 × 1 = 6 possible ways of arranging the three digits. Therefore, in that set of 720 possibilities, each unique combination of three digits is represented 6 times. So we just divide by 6. These are what are mathematically called “combinations”.
How many combinations of 12 numbers are there?
This number is called “twelve factorial” and written 12!, so, for example 4!=4×3x2×1=24. These 479001600 “strings” of the 12 numbers, for example 1,2,3,4,5,6,7,8,9,10,11,12 and 2,4,6,8,10,12,11,9,7,5,3,1, mathematicians call permutations of the 12 numbers rather than combinations.
What is combination with example?
A combination is a selection of all or part of a set of objects, without regard to the order in which objects are selected. For example, suppose we have a set of three letters: A, B, and C. ... Each possible selection would be an example of a combination.
What is an example of permutations and combinations?
Permutations are the different ways in which a collection of items can be arranged. For example: The different ways in which the alphabets A, B and C can be grouped together, taken all at a time, are ABC, ACB, BCA, CBA, CAB, BAC.
What is a combination in math?
In mathematics, a combination is a selection of items from a collection, such that (unlike permutations) the order of selection does not matter.
What is combination and its formula?
Remember, the formula to calculate combinations is NCR = n! / r! * (n — r)!, where n represents the number of items, and r represents the number of items being chosen at a time. Let's look at an example of how to calculate a combination.
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