Home
Indice di funzionalità

Lock Equation Text Gratuito

Create a legally-binding electronic signature and add it to contracts, agreements, PDF forms, and other documents – regardless of your location. Collect and track signatures with ease using any device.

Drop document here to upload

Select from device

Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT

Note: Integration described on this webpage may temporarily not be available.

Upload a document

Generate your customized signature

Adjust the size and placement of your signature

Download, share, print, or fax your signed document

Every eSignature tool you need – inside a powerful PDF software

eSignature solution

Document tracking

Enhanced productivity

Custom branding

Security & compliance

eSign documents and collect signatures

Easily fill, edit, and sign your PDF documents in a single application, on any device.

Type, draw, or use a signature converter to create an eSignature from a picture of your handwritten autograph.

Create fillable PDFs and send them for signature to one or multiple recipients.

Set signer roles and customize a signing order.

Get visibility into the signing process

Receive instant alerts once signatures are in place.

Specify CC’d recipients and set actions upon document completion.

Monitor changes in your documents with audit trails.

Speed up your approval workflows

Send documents for signature faster by sharing them via short links.

Simplify data and signature collection by posting fillable PDF forms online.

Collect payments along with signed documents.

Showcase your branding when requesting signatures

Display your logo on signature invites, user notifications, and in the eSignature editor.

Customize an email message for your eSignature invites.

Redirect signers to your website once they complete your document.

Maintain industry-leading security and compliance

Authenticate signers via a password.

Make your document workflows compliant with industry-specific regulations, including HIPAA.

Secure the authenticity of a document with a unique ID.

Set an expiration date for your document.

Join the world’s largest companies

Employees at these companies use our products.

Video Review on How to Lock Equation Text

How to Email a PDF File

pdfFiller scores top ratings in multiple categories on G2

4.6/5

— from 710 reviews

5.0

Amazing software! Amazing software! I was trying to process W-2's through another accounting program and it was a nightmare. My boss told me about pdfFiller and I love it!!

VK

5.0

Satisfied but no longer need service I have been satisfied with the subscription and have used it with my work, however I am retiring the end of September and will no longer need this subscription

Craig Smith

Sign any document using pdfFiller’s eSignature service without hassle

Add your virtual signature in just a few simple steps – without a scanner or printer.

Upload

Upload your document to pdfFiller and open it in the editor.

Sign

Generate and save your electronic signature using the method you find most convenient.

Tweak

Resize your signature and adjust its placement on a document.

Retrieve

Save a signed, printable document on your device in the format you need or share it via email, a link, or SMS. You can also instantly export the document to the cloud.

Upload document

Why choose pdfFiller for eSignature and PDF editing?

Cross-platform solution

Upload your document to pdfFiller and open it in the editor.

Unlimited document storage

Generate and save your electronic signature using the method you find most convenient.

Widely recognized ease of use

Resize your signature and adjust its placement on a document.

Reusable templates & forms library

Save a signed, printable document on your device in the format you need or share it via email, a link, or SMS. You can also instantly export the document to the cloud.

The benefits of electronic signatures

Bid farewell to pens, printers, and paper forms.

Efficiency

Enjoy quick document signing and sending and reclaim hours spent on paperwork.

Accessibility

Sign documents from anywhere in the world. Speed up business transactions and close deals even while on the go.

Cost savings

Eliminate the need for paper, printing, scanning, and postage to significantly cut your operational costs.

Security

Protect your transactions with advanced encryption and audit trails. Electronic signatures ensure a higher level of security than traditional signatures.

Legality

Electronic signatures are legally recognized in most countries around the world, providing the same legal standing as a handwritten signature.

Sustainability

By eliminating the need for paper, electronic signatures contribute to environmental sustainability.

Enjoy straightforward eSignature workflows without compromising data security

Learn how pdfFiller maintains data security

GDPR compliance

Regulates the use and holding of personal data belonging to EU residents.

SOC 2 Type II Certified

Guarantees the security of your data & the privacy of your clients.

PCI DSS certification

Safeguards credit/debit card data for every monetary transaction a customer makes.

HIPAA compliance

Protects the private health information of your patients.

CCPA compliance

Enhances the protection of personal data and the privacy of California residents.

Lock Equation Text Feature

The Lock Equation Text feature offers a simple solution for managing your equations effectively. With this tool, you can secure your equations in place, ensuring they remain unchanged and easy to read. This feature allows you to focus on your content without worrying about accidental edits or alterations.

Key Features

Easy equation locking to prevent unintended changes

User-friendly interface for quick adjustments

Compatibility with various document formats

Clear visibility of equations within your text

Fast and reliable performance

Potential Use Cases and Benefits

Teachers can protect vital equations in educational materials

Students can ensure their work remains intact during presentations

Researchers can maintain accuracy in published papers

Professionals can keep critical data safe in reports

By using the Lock Equation Text feature, you eliminate the risk of losing your work or miscommunicating ideas. This tool addresses the common problem of accidental edits, allowing you to present your equations confidently. Enjoy clarity in your presentations and documents with this practical solution.

Instructions and Help about Lock Equation Text Gratuito

Lock Equation Text: full-featured PDF editor

If you have ever had to file an application form or affidavit as soon as possible, you are aware that doing it online with PDF documents is the easiest way. Filling out is easy, and you can forward it to another person for approval right away. In case you want to make adjustment to the text, add image or more fillable fields, just try a PDF editing tool.

With pdfFiller, create new fillable template from scratch, or upload an existing one to modify text, add sheets, images and checkboxes. New documents are easily saved as PDF files and can then be distributed both outside and inside your company using the integration’s features. With pdfFiller, any document can be converted into Doc, PPT, Excel, JPG, or simple text file.

Create a unique signature with your mouse, touchpad, or upload it from a photograph, to attach it to your documents. It's available on both desktop and mobile devices, and is verified in all states (under the E-Sign Act of 2000). Use an existing digital signature (upload it from your device, or take a photo), type your signature.

Discover the numerous features for editing and annotating PDFs efficiently. Save documents to the cloud storage to access them across all your devices and secure them from unauthorized use.

Fill out forms. Discover the range of ready-made documents and pick the one you are looking for

Edit PDF documents. Make changes to your documents with a very user-friendly interface. Change the content or mix it up with images, apply watermarks or add checkboxes

Create documents from scratch. Add and edit text, signature field, checkboxes and much more

Change the format. Convert PDF files to any format including Word, Excel, Google Docs, Pages and more

Provide safety. Prevent others from unauthorized access to your data

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.

What if I have more questions?

Contact Support

How do you lock a cell in a formula?

Click on the cell with cell references you want to lock — in this case, C1. Now select the formula in the formula bar so that either the whole formula or just the part you want to lock is highlighted, and then press F4.

How do you keep a cell constant in a formula?

Keep formula cell reference constant with the F4 key To keep cell reference constant in formula, you just need to add the $ symbol to the cell reference with pressing the F4 key. Please do as follows. 1. Select the cell with the formula you want to make it constant.

How do you lock all cells in a formula?

Unlock all cells in the worksheet. For starters, unlock all the cells on your worksheet. ... Select the formulas you want to lock. Select the cells with the formulas you want to lock. ... Lock cells with formulas. Now, go to lock the selected cells with formulas. ... Protect the worksheet.

How do you lock a cell reference?

Create an Absolute Reference Select another cell, and then press the F4 key to make that cell reference absolute. You can continue to press F4 to have Excel cycle through the different reference types. If necessary, continue entering the formula. Click the Enter button on the formula bar, or press Enter.

Ready to try pdfFiller's? Lock Equation Text Gratuito

Upload a document and create your digital autograph now.

Upload your document