Thecalc() function takes a single expression as its parameter, and the expression's result is used as the value for a CSS property. In this expression, the operands can be combined using the operators listed below. When the expression contains multiple operands,calc() uses the standard operator precedence rules:
All operands, except those of type , must be suffixed with an appropriate unit string, such as px, em, or %. You can use a different unit with each operand in your expression. You may also use parentheses to establish computation order when needed.
The calc() function can be used to manipulate color channels directly within the context of relative colors. This allows for dynamic adjustments of color channels in color models such as rgb(), hsl(), and lch().
The relative color syntax defines a number of color-channel keywords, each of which represents the value of the color channel as a (see Channel values resolve to values for more information). The calc() function can use these color-channel keywords to perform dynamic adjustments on the color channels, for example, calc(r + 10).
calc() makes it easy to position an object with a set margin. In this example, the CSS creates a banner that stretches across the window, with a 40-pixel gap between both sides of the banner and the edges of the window:
Here, the form itself is established to use 1/6 of the available window width. Then, to ensure that input fields retain an appropriate size, we use calc() again to establish that they should be the width of their container minus 1em. Then, the following HTML makes use of this CSS:
In the example below, the first paragraph uses a . In the paragraphs that follow, calc() is used with the rgb() and hsl() functions to adjust the values of each color channel relative to the original named color.
\n In the example below, the first paragraph uses a .\n In the paragraphs that follow, calc() is used with the rgb() and hsl() functions to adjust the values of each color channel relative to the original named color.\n
Calc is the free spreadsheet program you've always needed. Newcomers find it intuitive and easy to learn, while professional data miners and number crunchers appreciate the comprehensive range of advanced functions. Built-in wizards guide you through choosing and using a comprehensive range of advanced features. Or you can download templates from the LibreOffice template repository, for ready-made spreadsheet solutions.
Styles and direct formatting makes it easy to apply flexible cell formatting options, including freely rotating contents, templates, backgrounds, borders and much more. Become a spreadsheet expert by using templates with built-in functions, so that you can reuse a pre-prepared sheet and just focus on the immediate work.
Advanced DataPilot technology makes it easy to pull in raw data from corporate databases, and then cross-tabulate, summarise, and convert it into meaningful information. Real-time data streams can now be integrated in sheets and reports, and factored in calculations.
You can perform collaborative work on spreadsheets, thanks to Calc's multiple-user support. Just share a spreadsheet so that other users can easily add their data to it. The spreadsheet owner can then easily integrate the new data in just a few clicks. This collaboration feature helps to avoid editing conflicts.
While Calc saves spreadsheets in its native Open Document Format (.ods), it can also open and save files in Microsoft Excel format for sending to people still locked into Microsoft products. If you only need to make your data readable, but on a wide range of devices and platforms, you can easily export to Portable Document Format (.pdf). Calc can read .xlsx files created with Microsoft Office for Windows and macOS.
Maintain a Healthy Weight Maintaining a healthy weight is important for your heart health. Learn more about overweight and obesity Increase Physical Activity Moving more can lower your risk factors for heart disease. Eat a Heart-Healthy Diet Eating a healthy diet is the key to heart disease prevention. Know and Control Your Heart Health Numbers Tracking your heart health stats can help you meet your heart health goals. Download the BMI calculator app today (available for iPhone).
NOTE/WARNING: This calculator is estimating the fastest
possible pressure based on real world data taken with professional athletes
riding professionally specified and maintained equipment. This calculator
makes no claims to the compatibility of the rims/tires you have chosen, nor
does it read the internet deeply enough to know the limitations of your setup
as specified by ANY of the manufacturers of the various components in your
setup. If this calculator recommends pressures that violate ANY of the
limitations of your manufacturer's specifications, you must either change
components or lower your pressures to match those of the manufacturer.
Note: Tubeless setups, particularly those not adhering to ETRTO, OR hookless setups
are VERY sensitive to pressure and surpassing manufacturers recommended
pressures can lead to unneccessary risks including injury, equipment damage,
and you guessed it: death.
The tutorial chapter walks you through the various parts of Calcwith lots of hands-on examples and explanations. If you are newto Calc and you have some time, try going through at least thebeginning of the tutorial. The tutorial includes about 70 exerciseswith answers. These exercises give you some guided practice withCalc, as well as pointing out some interesting and unusual waysto use its features.
The reference section discusses Calc in complete depth. You can readthe reference from start to finish if you want to learn every aspectof Calc. Or, you can look in the table of contents or the ConceptIndex to find the parts of the manual that discuss the things youneed to know.
You can access this manual on-line at any time within Calc by pressingthe h i key sequence. Outside of the Calc window, you can pressC-x * i to read the manual on-line. From within Calc the commandh t will jump directly to the Tutorial; from outside of Calc thecommand C-x * t will jump to the Tutorial and start Calc ifnecessary. Pressing h s or C-x * s will take you directlyto the Calc Summary. Within Calc, you can also go to the part of themanual describing any Calc key, function, or variable usingh k, h f, or h v, respectively. See Help Commands.
In keystroke sequences, uppercase letters mean you must hold downthe shift key while typing the letter. Keys pressed with Controlheld down are shown as C-x. Keys pressed with Meta held downare shown as M-x. Other notations are RET for theReturn key, SPC for the space bar, TAB for the Tab key,DEL for the Delete key, and LFD for the Line-Feed key.The DEL key is called Backspace on some keyboards, it iswhatever key you would use to correct a simple typing error whenregularly using Emacs.
Commands are generally shown like this: p (calc-precision)or C-x * k (calc-keypad). This means that the command isnormally used by pressing the p key or C-x * k key sequence,but it also has the full-name equivalent shown, e.g., M-x calc-precision.
This section will show some typical small problems being solved withCalc. The focus is more on demonstration than explanation, buteverything you see here will be covered more thoroughly in theTutorial.
Date arithmetic. Type t N to get the current date andtime. Type 90 + to find the date 90 days from now. Type' RET to enter a date, then - 7 / to see howmany weeks have passed since then.
Type d B to view the solutions in more readable notation.Type d C to view them in C language notation, d Tto view them in the notation for the TeX typesetting system,and d L to view them in the notation for the LaTeX typesettingsystem. Type d N to return to normal notation.
Help functions. You can read about any command in the on-linemanual. Type C-x * c to return to Calc after each of thesecommands: h k t N to read about the t N command,h f sqrt RET to read about the sqrt function, andh s to read the Calc summary.
There is nothing stopping you from switching out of the Calcwindow and back into your editing window, say by using the EmacsC-x o (other-window) command. When the cursor isinside a regular window, Emacs acts just like normal. When thecursor is in the Calc stack or trail windows, keys are interpretedas Calc commands.
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