# Formulae Collections

## Scientific and technical formulas.

Collections of - in this case scientific - formulas, usually to defined topics, such as chemistry, physics, mathematics. The corresponding collection lists formulas, rules and methods on the subject, but usually without further explanation.

A formula in this context represents a mathematical or physical relationship, usually in the form of an equation. To differentiate is the chemical formula that, depending on the type, showing the composition and optionally structural features of a chemical compound.

Below is a list of online available scientific formulas, rules and methods with a focus on chemistry and physics.

## Content:

## General Information

**Bond Enthalpies**

Average bond enthalpies in kJ/mol

**Chemistry**

Reference Tables for Physical Setting - Format: PDF

**Common Equations**

... used in chemistry - Format: PDF

**Cosmology**

Distances, volumes, time scales in cosmology - Format: PDF

**Electrical Engineering**

Basic electrical engineering formulas - Format: PDF

**Engineering Formulas**

eFunda

**Euler Constant**

Collection of formulae for Euler's constant - Format: PDF

**Indicators**

Data table: acid-base indicators - Format: PDF

**Ions**

Common ions: periodic chart of ions - Format: PDF

**Ions**

Tables of common polyatomic ions

**Magnet Formulas**

A small web site devoted to the vanishing art of practical magnet design without FEA (Finite Element Analysis)

**Mathematical Tables and Formulas**

This site is a place for students and educators to quickly access mathematical formulas

**Mathematics**

1300 math formulas - Format: PDF

**Mathematics**

Formulas and Tables

**Measurement Formulas**

Here are some measurement formulas from the different parts of geometry. You'll find some two-dimensional and some three-dimensional formulas (USA) [e]

**Mechanical Engineering**

Data and formulae - Format: PDF

**Quantum Mechanics**

Collection of formulae - Format: PDF

**Solubility**

… of common compounds in water - Format: PDF

**Tesla Coil Formulas**

Tesla coil formulas for a reference to those who prefer to make calculations on paper

**Thermochemical Data**

… of selected elements and compounds - Format: PDF

**Thermodynamics**

Basic thermodynamics formulas - Format: PDF

**Water**

Basic water and wastewater formulas - Format: PDF

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Entries: 23

Last update 18.10.2016

Keywords: Scientific formula, formulae collections, chemistry, physics

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