MODULUS / REFERENCE

Mathematical constants

Core dimensionless constants used in calculations and formulas.

SymbolValue or formulaDescription
π3.141592653589793Pi: circumference divided by diameter.
e2.718281828459045Base of the natural logarithm.
φ1.618033988749895Golden ratio.
√21.414213562373095Diagonal of a unit square.
ln 20.6931471805599453Natural logarithm of two.

Values are provided for reference. Check the required unit system and conditions before engineering or laboratory use.