pdf math

Learn addition and multiplication (numbers 1 to 12) with the friendly robot.

An advance scientific calculator with a step-by-step solution system.

Practice multiplication (numbers 1 - 10) with the smart robot and his friends.

Makes quizzes with any number and type of arithmetic problem.

2x2 for kids

calculates determinants and equation systems and generates matrices

Free tools to split, merge, convert and encrypt PDFs, extract text and images.

automatically page number your documents

automatically page number your documents

automatically splitting the document up for you on text