Close Help Center ONLYOFFICE Docs Spreadsheet Editor User guides ONLYOFFICE Workspace ONLYOFFICE Groups ONLYOFFICE Docs Mail Server Talk Module ONLYOFFICE Groups Documents Module People Module Commmunity Module CRM Module Projects Module Mail Module Calendar Module ONLYOFFICE Docs All Editors Document Editor Program interface Introducing the Document Editor user interface File tab Home tab Insert tab Draw tab Layout tab References tab Forms tab Collaboration tab Protection tab View tab Plugins tab Basic operations Create a new document or open an existing one Copy/paste text passages, undo/redo your actions Change color scheme Page formatting Set page parameters Show/hide nonprinting characters Insert section breaks Insert headers and footers Insert date and time Insert page numbers Insert line numbers Insert footnotes Insert endnotes Convert endnotes and footnotes Add bookmarks Add watermark Add hyphenation Paragraph formatting Align your text in a paragraph Set up paragraph outline 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equations Collaboration Sharing files and folders Co-editing presentations in real time Communicating in real time Commenting presentations Version history Plugins Plugin manager Edit an image Include a video Insert highlighted code Translate text Replace a word by a synonym Communicate while editing Use AI to write text Add pictures Tools and settings View presentation information Save/print/download your presentation Advanced settings of Presentation Editor View settings and navigation tools Search and Replace Function Spell-checking AutoCorrect features Protecting presentations with a password Enable support for video playback in ONLYOFFICE Desktop Editors Helpful hints About Presentation Editor Supported formats of electronic presentations Keyboard shortcuts PDF Editor Program interface Introducing the PDF Editor user interface File tab Home tab Insert tab Comment tab View tab Plugins tab Basic operations Open an existing PDF or create a new document Filling out a form Edit PDF 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function CEILING.PRECISE function COMBIN function COMBINA function COS function COSH function COT function COTH function CSC function CSCH function DECIMAL function DEGREES function ECMA.CEILING function EVEN function EXP function FACT function FACTDOUBLE function FLOOR function FLOOR.PRECISE function FLOOR.MATH function GCD function INT function ISO.CEILING function LCM function LN function LOG function LOG10 function MDЕTERM function MINVERSE function MMULT function MOD function MROUND function MULTINOMIAL function MUNIT function ODD function PI function POWER function PRODUCT function QUOTIENT function RADIANS function RAND function RANDBETWEEN function RANDARRAY function ROMAN function ROUND function ROUNDDOWN function ROUNDUP function SEC function SECH function SERIESSUM function SIGN function SIN function SINH function SQRT function SQRTPI function SUBTOTAL function SUM function SUMIF function SUMPRODUCT function SUMSQ function SUMX2MY2 function SUMX2PY2 function SUMXMY2 function TAN function TANH function TRUNC function SUMIFS function The LN function is one of the math and trigonometry functions. It is used to return the natural logarithm of a number. Syntax LN(number) The LN function has the following argument: Argument Description number A numeric value for which you want to get the natural logarithm. It must be greater than 0. Notes How to apply the LN function. Examples The figure below displays the result returned by the LN function. Return to previous page Try now for free Try and make your decision No need to install anythingto see all the features in action