Книга: Advanced PIC Microcontroller Projects in C

1.10 Converting Hexadecimal Numbers into Decimal

1.10 Converting Hexadecimal Numbers into Decimal

To convert a hexadecimal number into decimal, calculate the sum of the powers of 16 of the number.

Convert hexadecimal number 2AC₁₆ into decimal.

Calculating the sum of the powers of 16 of the number:

2AC₁₆ = 2 ? 16² + 10 ? 16¹ + 12 ? 16⁰

      = 512 + 160 + 12

      = 684

The required decimal number is 684₁₀.

Convert hexadecimal number EE₁₆ into decimal.

Calculating the sum of the powers of 16 of the number:

EE₁₆ = 14 ? 16¹ + 14 ? 16⁰

     = 224 + 14

     = 238

The decimal number is 238₁₀.

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