Learning

Study and classroom tools: flashcards with spaced repetition, citations in APA, MLA, Chicago and Harvard, a function grapher, matrix and equation solvers, the periodic table, number bases and fair dice.

Flashcards
Make decks, flip cards and let Leitner boxes decide what to review each day.
Citation generator
APA, MLA, Chicago and Harvard references and in-text citations, italics kept.
Function grapher
Plot y = f(x), zoom in, trace points and find roots and intersections.
Matrix calculator
Determinant, inverse, RREF and Ax = b up to 6×6, exact fractions and steps.
Equation solver
Linear, quadratic, cubic and 2–3 equation systems, with exact roots and steps.
Periodic table
118 elements with current atomic weights, and a molar mass calculator.
Dice and coin roller
Fair dice in any notation, coin flips and list picks, with the exact odds of every total.
Number base converter
Binary, hex and any base 2–36, two's complement, float bits, Roman and Morse.