Stempad: Fast Online Scientific Notes

Keywords

sqrt: Square root expression (√)

sum: Sigma notation expression (Σ)

int: Integral expression (∫)

vec: Vector arrow characters (→)

hat: Hat character (^)

pi: Pi symbol (π)

Pi: Uppercase Pi symbol (Π)

theta: Lowercase theta symbol (θ)

Theta: Uppercase Theta symbol (Θ)

rho: Lowercase rho symbol (ρ)

phi: Lowercase phi symbol (φ)

Phi: Uppercase Phi symbol (Φ)

alpha: Lowercase alpha symbol (α)

beta: Lowercase beta symbol (β)

gamma: Lowercase gamma symbol (γ)

Gamma: Uppercase Gamma symbol (Γ)

delta: Lowercase delta symbol (δ)

Delta: Uppercase Delta symbol (Δ)

epsilon: Lowercase epsilon symbol (ε)

zeta: Lowercase zeta symbol (ζ)

eta: Lowercase eta symbol (η)

iota: Lowercase iota symbol (ι)

kappa: Lowercase kappa symbol (κ)

lambda: Lowercase lambda symbol (λ)

Lambda: Uppercase Lambda symbol (Λ)

mu: Lowercase mu symbol (μ)

nu: Lowercase nu symbol (ν)

xi: Lowercase xi symbol (ξ)

Xi: Uppercase Xi symbol (Ξ)

omicron: Lowercase omicron symbol (ο)

sigma: Lowercase sigma symbol (σ)

Sigma: Uppercase Sigma symbol (Σ)

tau: Lowercase tau symbol (τ)

upsilon: Lowercase upsilon symbol (υ)

Upsilon: Uppercase Upsilon symbol (Υ)

chi: Lowercase chi symbol (χ)

\psi: Lowercase psi symbol (ψ)

\Psi: Uppercase Psi symbol (Ψ)

omega: Lowercase omega symbol (ω)

Omega: Uppercase Omega symbol (Ω)

infty: Infinity symbol (∞)

partial: Partial derivative symbol (∂)

nabla: Nabla symbol (∇)

prime: Prime symbol (′)

times: Multiplication symbol (×)

div: Division symbol (÷)

cdot: Centered dot symbol (·)

circ: Ring operator symbol (∘)

bullet: Bullet operator symbol (•)

odot: Circled dot operator (⊙)

oplus: Circled plus operator (⊕)

otimes: Circled times operator (⊗)

cup: Union symbol (∪)

cap: Intersection symbol (∩)

vee: Logical OR symbol (∨)

wedge: Logical AND symbol (∧)

sim: Similar to symbol (∼)

simeq: Asymptotically equal to symbol (≃)

approx: Approximately equal to symbol (≈)

cong: Congruent to symbol (≅)

neq: Not equal to symbol (≠)

equiv: Equivalent to symbol (≡)

leq: Less than or equal to symbol (≤)

geq: Greater than or equal to symbol (≥)

ll: Much less than symbol (≪)

gg: Much greater than symbol (≫)

subset: Subset of symbol (⊂)

supset: Superset of symbol (⊃)

subseteq: Subset of or equal to symbol (⊆)

supseteq: Superset of or equal to symbol (⊇)

\in: An element of symbol (∈)

notin: Not an element of symbol (∉)

propto: Proportional to symbol (∝)

forall: For all symbol (∀)

exists: There exists symbol (∃)

nexists: There does not exist symbol (∄)

neg: Negation symbol (¬)

lnot: Logical NOT symbol (¬)

rightarrow: Right arrow symbol (→)

leftarrow: Left arrow symbol (←)

leftrightarrow: Left-right arrow symbol (↔)

Rightarrow: Right double arrow symbol (⇒)

Leftarrow: Left double arrow symbol (⇐)

Leftrightarrow: Left-right double arrow symbol (⇔)

mapsto: Maps to symbol (↦)

to: To symbol (→)

aleph: Aleph symbol (ℵ)

hbar: Reduced Planck constant symbol (ℏ)

imath: Dotless i symbol (ı)

jmath: Dotless j symbol (ȷ)

ell: Script l symbol (ℓ)

Re: Real part symbol (ℜ)

Im: Imaginary part symbol (ℑ)

\N: Set of natural numbers symbol (ℕ)

\Z: Set of integers symbol (ℤ)

\Q: Set of rational numbers symbol (ℚ)

\R: Set of real numbers symbol (ℝ)

\C: Set of complex numbers symbol (ℂ)

\P: Set of prime numbers symbol (ℙ)

\H: Set of quaternions symbol (ℍ)

Shortcuts

: Undo.

: Redo.

: Return to the standard editing state (carbon, single bond).

: Single bond.

: Double bond.

: 3..8 for 3 to 8 membered rings, 1 for phenyl and 0 for furyl.

: Enter delete mode.

: COOH group.

: NO2 group.

: SO3H group.

: tert-Butyl group.

: Carbon.

: Nitrogen.

: Oxygen.

: Sulfur.

: Fluorine.

: Chlorine.

: Bromine.

: Iodine.

: Phosphorus.

: Halogen.

Shortcuts

: With no text selected, copy current row.

: With no text selected, cut current row.

: Paste selected content. Supports pasting copied rows.

: Swap current row with row directly above.

: Swap current row with row directly below.

: Swap current column with the column directly right of it.

: Swap current column with the column directly left of it.

: Create copy of current row directly above.

: Create copy of current row directly below.

: Create copy of current column directly to the right.

: Create copy of current column directly to the left.

Shortcuts

: With no text selected, copy current line.

: With no text selected, cut current line.

: Paste selected content. Supports pasting copied lines.

: Swap current line with line directly above.

: Swap current line with line directly below.

: Create copy of current line directly above.

: Create copy of current line directly below.

Supported packages

aiohttp: Asynchronous HTTP client/server framework

aiosignal: Managed signals implementation on top of asyncio

altair: Declarative statistical visualization library

annotated-types: Typing annotations for runtime type checking

asciitree: ASCII trees for Python

astropy: Astronomy and astrophysics core library

astropy_iers_data: IERS data for Astropy

asttokens: Annotate AST trees with source code positions

async-timeout: Timeout context manager for asyncio programs

atomicwrites: Atomic file writes

attrs: Classes without boilerplate

autograd: Efficiently computes derivatives of numpy code

awkward-cpp: CPU kernels for Awkward Array

b2d: Box2D physics engine Python wrapper

bcrypt: Modern password hashing library

beautifulsoup4: Screen-scraping library

biopython: Tools for computational molecular biology

bitarray: Efficient array of booleans

bitstring: Simple construction, analysis, and modification of binary data

bleach: HTML sanitizing library

bokeh: Interactive visualization library

boost-histogram: Python bindings for the C++ Boost::Histogram library

brotli: Brotli compression algorithm

cachetools: Extensible memoizing collections and decorators

Cartopy: Cartographic tools for Python

cbor-diag: CBOR diagnostic notation tools

certifi: Collection of root certificates for SSL/TLS verification

cffi: Foreign Function Interface for Python calling C code

cffi_example: Example package for CFFI

cftime: Time-handling functionality from netcdf4-python

charset-normalizer: The Real First Universal Charset Detector

clarabel: Interior point solver for convex optimization problems

click: Composable command line interface toolkit

cligj: Click params for commmand line GIS applications

cloudpickle: Extended pickling support for Python objects

cmyt: Colormaps for YT

colorspacious: Powerful, accurate, and easy-to-use Python library for doing colorspace conversions

contourpy: Python library for calculating contours of 2D quadrilateral grids

coolprop: Thermophysical properties for the masses

coverage: Code coverage measurement for Python

cramjam: Thin Python bindings to de/compression algorithms in Rust

crc32c: Python wrapper for CRC32C algorithm

cryptography: Cryptographic recipes and primitives

cssselect: CSS Selectors for Python

cvxpy-base: A Python-embedded modeling language for convex optimization problems

cycler: Composable style cycles

cysignals: Interrupt and signal handling for Cython

cytoolz: Cython implementation of Toolz

decorator: Decorators for Humans

demes: A Python API for demes data

deprecation: A library to handle automated deprecations

distlib: Distribution utilities

docutils: Docutils -- Python Documentation Utilities

duckdb: DuckDB embedded database

ewah_bool_utils: Bit array compression using the Enhanced Word Aligned Hybrid (EWAH) scheme

exceptiongroup: Backport of PEP 654 (exception groups)

executing: Get the currently executing AST node of a frame, and other information

fastparquet: Python support for Parquet file format

fiona: Fiona reads and writes spatial data files

fonttools: Tools to manipulate font files

freesasa: Calculate solvent accessible surface areas of proteins

frozenlist: A list-like structure which implements collections.abc.MutableSequence

fsspec: File-system specification

future: Clean single-source support for Python 3 and 2

galpy: Galactic Dynamics in Python

gensim: Topic modelling, document indexing and similarity retrieval with large corpora

geopandas: Geographic pandas extensions

gmpy2: GMP/MPIR, MPFR, and MPC interface to Python 2.6+ and 3.x

gsw: Gibbs SeaWater Oceanographic Package of TEOS-10

h5py: Read and write HDF5 files from Python

html5lib: HTML parser based on the WHATWG HTML specification

idna: Internationalized Domain Names in Applications (IDNA)

igraph: High performance graph data structures and algorithms

imageio: Library for reading and writing a wide range of image, video, scientific, and volumetric data formats

iniconfig: Brain-dead simple config-ini parsing

ipython: IPython: Productive Interactive Computing

jedi: An autocompletion tool for Python that can be used for text editors

Jinja2: A very fast and expressive template engine

joblib: Lightweight pipelining: using Python functions as pipeline jobs

jsonschema: An implementation of JSON Schema validation for Python

jsonschema_specifications: The JSON Schema meta-schemas and vocabularies, exposed as a Registry

kiwisolver: A fast implementation of the Cassowary constraint solver

lakers-python: Python bindings for the LAKERS library

lazy-object-proxy: A fast and thorough lazy object proxy

lazy_loader: lazy_loader

libcst: A concrete syntax tree with AST-like properties for Python 3.5, 3.6, 3.7, 3.8, 3.9, and 3.10 programs

lightgbm: LightGBM Python Package

logbook: A logging replacement for Python

lxml: Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API

MarkupSafe: Safely add untrusted strings to HTML/XML markup

matplotlib: Python plotting package

matplotlib-inline: Inline Matplotlib backend for Jupyter

matplotlib-pyodide: Matplotlib for Pyodide

memory-allocator: A Python memory allocator for experimentation

micropip: A lightweight Python package installer for the web browser

mmh3: Python wrapper for MurmurHash (MurmurHash3), a set of fast and robust hash functions

mne: MNE: Magnetoencephalography (MEG) and Electroencephalography (EEG) in Python

more-itertools: More routines for operating on iterables, beyond itertools

mpmath: Python library for arbitrary-precision floating-point arithmetic

msgpack: MessagePack (de)serializer

msgspec: A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML

msprime: A fast and accurate coalescent simulator

multidict: multidict implementation

munch: A dot-accessible dictionary (a la JavaScript objects)

mypy: Optional static typing for Python

netcdf4: Provides an object-oriented python interface to the netCDF version 4 library

networkx: Python package for creating and manipulating graphs and networks

newick: A python module to read and write the Newick format

nh3: Ammonia: Python refactoring library

nlopt: Library for nonlinear optimization, wrapping many algorithms for global and local, constrained or unconstrained, optimization

nltk: Natural Language Toolkit

numcodecs: A Python package providing buffer compression and transformation codecs for use in data storage and communication applications

numpy: Fundamental package for array computing in Python

opencv-python: Wrapper package for OpenCV python bindings

optlang: Sympy based mathematical programming language

orjson: Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy

packaging: Core utilities for Python packages

pandas: Powerful data structures for data analysis, time series, and statistics

parso: A Python Parser

patsy: A Python package for describing statistical models and for building design matrices

peewee: A small, expressive ORM

Pillow: Python Imaging Library (Fork)

pillow_heif: Python Pillow High Efficiency Image Format (HEIF) plugin

pkgconfig: Interface Python with pkg-config

pluggy: Plugin and hook calling mechanisms for python

pplpy: Python interface to the Parma Polyhedra Library

primecountpy: Python bindings for Kim Walisch's primecount library

prompt_toolkit: Library for building powerful interactive command lines in Python

protobuf: Protocol Buffers

pure_eval: Safely evaluate AST nodes without side effects

py: Library with cross-python path, ini-parsing, io, code, log facilities

pyclipper: Cython wrapper for the C++ translation of the Angus Johnson's Clipper library

pycparser: C parser in Python

pycryptodome: Cryptographic library for Python

pydantic: Data validation and settings management using Python type hints

pydantic_core: Core functionality for pydantic

pyerfa: Python bindings for ERFA

pygame-ce: Python Game Development

Pygments: Syntax highlighting package written in Python

pyheif: Python 3 bindings for libheif library

pyiceberg: Python implementation of the Apache Iceberg table format

pyinstrument: Call stack profiler for Python. Shows you why your code is slow!

pynacl: Python binding to the Networking and Cryptography (NaCl) library

pyodide-http: A fork of the Python 'http' package for use with Pyodide

pyparsing: Python parsing module

pyproj: Python interface to PROJ (cartographic projections and coordinate transformations library)

pyrsistent: Persistent/Functional/Immutable data structures

pysam: Python module for reading and manipulating SAM/BAM/VCF/BCF files

pyshp: Pure Python read/write support for ESRI Shapefile format

pytest: pytest: simple powerful testing with Python

pytest-asyncio: Pytest support for asyncio

pytest-benchmark: A pytest fixture for benchmarking code

python-dateutil: Extensions to the standard Python datetime module

python-flint: Python bindings for FLINT and Arb

python-magic: File type identification using libmagic

python-sat: A Python library for prototyping with SAT oracles

python_solvespace: Python library for SolveSpace CAD software

pytz: World timezone definitions, modern and historical

pywavelets: PyWavelets, wavelet transform module

pyxel: A retro game engine for Python

pyxirr: Calculates xirr on irregular cashflows

pyyaml: YAML parser and emitter for Python

rebound: An open-source multi-purpose N-body code

reboundx: A library for including additional forces in REBOUND

referencing: JSON Referencing + Python

regex: Alternative regular expression module, to replace re

requests: Python HTTP for Humans

retrying: Retrying

rich: Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal

river: Online machine learning in Python

RobotRaconteur: Robot Raconteur: A communication framework for robotics, automation, and the Internet of Things

rpds-py: Python bindings to Rust's persistent data structures

ruamel.yaml: ruamel.yaml is a YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order

rust-panic-test: Test package for Rust panic handling

scikit-image: Image processing in Python

scikit-learn: A set of python modules for machine learning and data mining

scipy: SciPy: Scientific Library for Python

screed: A short read database

setuptools: Easily download, build, install, upgrade, and uninstall Python packages

shapely: Geometric objects, predicates, and operations

simplejson: Simple, fast, extensible JSON encoder/decoder for Python

sisl: Siesta Input/Output Library

six: Python 2 and 3 compatibility utilities

smart_open: Utils for streaming large files (S3, HDFS, GCS, Azure Blob Storage, gzip, bz2...)

sortedcontainers: Sorted Containers -- Sorted List, Sorted Dict, Sorted Set

soupsieve: A modern CSS selector implementation for Beautiful Soup

sourmash: Compute and compare MinHash signatures for DNA sequences

sparseqr: Sparse QR Decomposition

sqlalchemy: Database Abstraction Library

stack_data: Extract data from python stack frames and tracebacks for informative displays

statsmodels: Statistical computations and models for Python

strictyaml: Type-safe YAML parser and validator

svgwrite: A Python library to create SVG drawings

swiglpk: Swig-generated Python interface to GLPK (GNU Linear Programming Kit)

sympy: Computer algebra system (CAS) in Python

tblib: Traceback serialization library

termcolor: ANSI color formatting for output in terminal

texttable: Module for creating simple ASCII tables

threadpoolctl: ThreadPool Control

tomli: A lil' TOML parser

tomli-w: A lil' TOML writer

toolz: List processing tools and functional utilities

tqdm: Fast, Extensible Progress Meter

traitlets: Traitlets Python configuration system

traits: Observable typed attributes for Python classes

tskit: The tree sequence toolkit

typing-extensions: Backported and Experimental Type Hints for Python 3.5+

tzdata: Provider of IANA time zone data

uncertainties: Transparent calculations with uncertainties on the quantities involved

unyt: A package for handling numpy arrays with units

urllib3: HTTP library with thread-safe connection pooling, file post, and more

wcwidth: Measures the displayed width of unicode strings in a terminal

webencodings: Character encoding aliases for legacy web content

wordcloud: A little word cloud generator

wrapt: Module for decorators, wrappers and monkey patching

xarray: N-D labeled arrays and datasets in Python

xgboost: Gradient boosting library

xlrd: Library for developers to extract data from Microsoft Excel (tm) spreadsheet files

xxhash: Python binding for xxHash

xyzservices: Source of XYZ tiles providers

yarl: Yet another URL library

yt: An analysis and visualization toolkit for volumetric data

zarr: An implementation of chunked, compressed, N-dimensional arrays for Python

zengl: A Python library for portable graphics development

zstandard: Zstandard bindings for Python

Shortcuts

: Hand (panning tool).

: Selection.

: Rectangle.

: Diamond.

: Ellipse.

: Arrow.

: Line.

: Draw.

: Text.

: Insert image.

: Eraser.

: Frame tool.

: Laser pointer.

: Pick color from canvas.

: Edit line/arrow points.

: Edit text / add label.

: Add new line (text editor).

: Finish editing (text editor).

: Curved arrow.

: Curved line.

: Keep selected tool active after drawing.

: Prevent arrow binding.

: Add / Update link for a selected shape.

: Zoom in.

: Zoom out.

: Reset zoom.

: Zoom to fit all elements.

: Zoom to selection.

: Move page up/down.

: Move page left/right.

: Zen mode.

: Snap to objects.

: Show grid.

: View mode.

: Toggle theme.

: Stats for nerds.

: Move canvas.

: Reset the canvas.

: Delete.

: Cut.

: Copy.

: Paste.

: Paste as plaintext.

: Select all.

: Add element to selection.

: Deep select.

: Deep select within box, and prevent dragging.

: Copy to clipboard as PNG.

: Copy styles.

: Paste styles.

: Send to back.

: Bring to front.

: Send backward.

: Bring forward.

: Align top.

: Align bottom.

: Align left.

: Align right.

: Duplicate.

: Lock/unlock selection.

: Undo.

: Redo.

: Group selection.

: Ungroup selection.

: Flip horizontal.

: Flip vertical.

: Show stroke color picker.

: Show background color picker.

: Decrease font size.

: Increase font size.

Shortcuts

: Close a Dialog

: Show or Hide the Expression List

: Focus the Expression List

: Open Options for the Expression that has Keyboard Focus

: Show or Hide the Selected Expression

: Delete the Expression that has Keyboard Focus

: Toggle Between Degrees and Radians

: Show or Hide the Keypad

: Mute or Unmute Audio Playback

: Add an Expression

: Add a Note

: Add a Folder

: Collapse Selected Folder

: Expand Selected Folder

: Collapse All Folders

: Expand All Folders

: Add an Image

: Add a Table

: Undo

: Redo

: Zoom In

: Zoom Out

: Restore Default Viewport

: Zoom to Fit

: Turn Edit List Mode On or Off

: Open or Close the Graph Settings Menu

Shortcuts

: Close a Dialog

: Show or Hide the Expression List

: Focus the Expression List

: Open Options for the Expression that has Keyboard Focus

: Show or Hide the Selected Expression

: Delete the Expression that has Keyboard Focus

: Toggle Between Degrees and Radians

: Show or Hide the Keypad

: Mute or Unmute Audio Playback

: Add an Expression

: Add a Note

: Add a Folder

: Collapse Selected Folder

: Expand Selected Folder

: Collapse All Folders

: Expand All Folders

: Add an Image

: Add a Table

: Undo

: Redo

: Zoom In

: Zoom Out

: Restore Default Viewport

: Zoom to Fit

: Turn Edit List Mode On or Off

: Open or Close the Graph Settings Menu

Reference

Shortcuts

Keywords

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Supported packages

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Additional Features