good wiki

Floating-point unit

A floating-point unit (FPU, colloquially a math coprocessor) is a part of a computer system specially designed to carry out operations on floating-point numbers. Typical operations are addition, subtraction, multiplication, division, and square root.

More at Wikipedia

About

You might be interested in

Arithmetic

Arithmetic is a branch of mathematics concerned with the study of numbers and their properties, operations, and relationships.

ARM architecture

ARM Architecture is a Wikipedia page that provides detailed information about the ARM architecture, which stands for Advanced RISC Machine.

Central processing unit

A central processing unit (CPU) is the primary component of a computer that performs most of the processing inside the computer.

Computer

A computer is an electronic device that can perform various tasks based on programmed instructions.

Graphics processing unit

A Graphics Processing Unit (GPU) is a specialized electronic circuit that accelerates the creation and rendering of images, animations, and videos in a computer's memory.

IBM PC

The Wikipedia page for IBM PC provides an overview of the International Business Machines Corporation's personal computer line.

IEEE 754

The Wikipedia page for IEEE 754 provides an overview of the standardized binary floating-point arithmetic format known as IEEE 754.

Integer

An integer is a number that can be written without a fractional or decimal component.