Similar to ヘヴィサイドの展開定理
 - L-systemL-system
 - Lagged Fibonacci 法Lagged Fibonacci generator
- LAPACKLAPACK
 - LaTeXLaTeX▲1 trends
 - Lis (線形代数ライブラリ)Lis (linear algebra library)
 - リュング・ボックス検定Ljung–Box test
 - LOGCFLLOGCFL
 - Lp空間Lp space
 - LTEの補題Lifting-the-exponent lemma
 - LU分解LU decomposition
 - LF空間LF-space
 - M/M/1 待ち行列M/M/1 queue
 - MAA FOCUSMAA FOCUS
 - Magma (数式処理システム)Magma (computer algebra system)
 - MathematicaWolfram Mathematica
 - Mathematics Genealogy ProjectMathematics Genealogy Project
 - Mathematische AnnalenMathematische Annalen
 - Mathesis (雑誌)Mathesis (journal)
 - MathJaxMathJax
 - MathOverflowMathOverflow
 - MathSciNetMathSciNet
 - MathTypeMathType
 - MathWorldMathWorld
 - MATLABMATLAB
 - MaximaMaxima (software)
 - Messenger of MathematicsMessenger of Mathematics
 - MINPACKMINPACK
 - MizarMizar system