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Then add power of 2 to the decimal result. Therefore to find out remainder, we have divided the number present inside decnum by 16, and stored its quotient value inside a variable say temp, then again. Find last digit from binary by performing modulo division.

Step by step descriptive logic to convert binary to decimal number system. The hexadecimal number system (hex) functions virtually identically to the decimal and binary systems. Logic to convert binary to decimal number system. In the loop, we calculate the remainders and quotients to convert the decimal number to its binary equivalent. In the program, we have included the header file cmath to perform mathematical operations in the program. If array element is greater than or equal to 10 then its corresponding English alphabet is obtained by adding 55 and the value printed out as character using %c format modifier. Convert Decimal Value to Hexadecimal Value. From lines 7 to 12, we initialize a while loop. We will divide the number by 2 to find the remainder and store that remainder. Finally when the array is printed out, the program checks if the array element is less than 10 in which case then it is printed as decimal number using %d format modifier. Binary number conversion program in C will take decimal as an input. The method used for this conversion is to repeatedly divide the decimal number by 16 and store the remainder in an array. This is a C program to convert a decimal number to its hexadecimal equivalent. The Complete Number System Conversion Application was developed as a basic coding structure of C that is very user-friendly kind of system for beginners that needed to learning new programming technique. A hexadecimal A is equivalent to a decimal 10, Hex B equals Decimal 11, Hex F equal Decimal 15 and Hex 10 equal Decimal 16. Hexadecimal number system, also called hex, uses the 10 symbols 0 to 9 from the decimal number system and an additional 6 English alphabets from A to F. A decimal number as we all know uses 10 symbols from 0 to 9 to represent any number.