The number two (2) is the second positive integer and the first prime number. The graphing features turn abstract equations into pictures that actually make sense. A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.
This is a free online math calculator together with a variety of other free math calculators that compute standard deviation, percentage, fractions, and more. Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.
It is even, and is the only even prime (the primes other than 2 are called the odd primes). No subscriptions, no paywalls, no catches. 2 player games challenge a friend in our two player games!