calcul.io

math playground

New calculation

Help

Instructions Examples Functions Constants

Constants
e

e

Try it yourself:

$1	e
$2	e ^ 2
$3	exp(2)
$4	log(e)

All constants

(c) calcul.io 2025

Math Playground. Simple and fast calculator for your everyday math needs. Calculate without limitations, jot and experiment with ideas.

Terms & Conditions Privacy Policy

Try also:

Online percentages calculator

Base64 encode and decode