**Abstract / Introduction**

As already known that a calculator is a device that is used for making mathematical calculations such as adding, subtracting, multiply, divide, and find percentage etc. A hardware based calculator is an electronic device with a keyboard and a LCD display that can find basic mathematical calculation. You are required to design a digital calculator that can take 3 digits input from a keyboard and can perform basic arithmetic operations on two inputted variables and display result on LCD interface.

**Functional Requirements**

• 3-digit input (single variable)

• ADD

• Subtract

• Multiply

• Divide

• Percentage

• LCD Interface

**Tools**

• Microcontrollers (Intel 8051/8052 series)

• C/C++ Programming Language

• Assembly Language

• Circuit Designing Software (Orcad Pspice, WorkBench)

• Keil Embedded Development Kit

• Microcontroller Burner Kit

• Circuit Components (Resistors, Capacitors, oscillators etc.)

• Wireless interface devices (ZigBee etc.)

# 3 Digit Calculator Using Microcontroller

As already known that a calculator is a device that is used for making mathematical calculations

such as adding, subtracting, multiply, divide, and find percentage etc. Eziline software house offers all type of final year projects which involves it.

In Stock

~~234.00$~~ 192.00$

As already known that a calculator is a device that is used for making mathematical calculations

such as adding, subtracting, multiply, divide, and find percentage etc. Eziline software house offers all type of final year projects which involves it.

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