Lab ToolsBuilt-in & ExternalPractical for Biologists

Tools

A practical toolkit for everyday biological research

Built-in calculators for routine laboratory work, plus quick-reference symbols and carefully selected external tools widely used in biology and molecular science.

Built-in Lab Calculators

Click any card to open the calculator. Only one tool stays open at a time.

Easy-to-Copy Symbols for Biology and Chemistry

Click any symbol to copy it instantly.

Greek Letters

Math & Logic

Arrows & Reactions

Special Scientific Symbols

Important Online Tools for Biologists

Hover for a quick description, or click to open the resource.

NCBI BLAST

Sequence Search

Sequence similarity search for DNA or protein sequences.

Open tool ↗

ExPASy ProtParam

Protein Analysis

Protein molecular weight, pI, instability index, and more.

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ExPASy Translate

Translation

Translate DNA or RNA sequence into protein sequence.

Open tool ↗

ExPASy Compute pI/Mw

Protein Properties

Calculate theoretical pI and molecular weight.

Open tool ↗

NEB Tm Calculator

PCR Design

Estimate PCR primer annealing temperature.

Open tool ↗

Primer-BLAST

Primer Design

Design primers and check specificity.

Open tool ↗

IgBLAST

Immunology

Analyze immunoglobulin and T-cell receptor sequences.

Open tool ↗

SnapGene Viewer

Sequence Viewer

View plasmids and annotated sequence files.

Open tool ↗