Alex WeberSchool tools

School tools

Instruments I build for my Computer Science and Business classes at Northeastern.

0 is blue and 1 is red, on every page.

A1B0XOR1Cin1XOR0AND0AND1OR1Sum0Cout1

Fig. 0 One-bit full adder

1 + 0 + 1 = 102 Cout 1 · Sum 0

Flip an input here or click one in the figure.

The tools

2 so far · more each semester

  1. No. 01 stable

    Expression to logic gates

    Type a Boolean expression in words, symbols or LaTeX and get its gate circuit, live inputs and a truth table.

    • logic
    • circuits
  2. No. 02 new

    Boolean hypercube

    Every truth-table row is a corner of a cube. Adjacent 1s form the groups a Karnaugh map circles, in 3D and up to four variables.

    • logic
    • math