![]() ![]() Each keycode is a decimal number (an integer) that represents the ASCII code or Windows 1252 code of the key. For example, if you have made a web application that uses quick keyboard shortcuts or logs key presses, then often the key presses are recorded as keycodes. Step 2 − Combine all the resulting binary groups (of 4 digits each) into a single binary number.A decimal number to string converter can be useful if you're doing cross-browser testing. Step 1 − Convert each hexadecimal digit to a 4 digit binary number (the hexadecimal digits may be treated as decimal for this conversion). Step 2 − Convert each group of four binary digits to one hexadecimal symbol.Ĭalculating hexadecimal Equivalent − Stepīinary Number − 10101 2 = Hexadecimal Number − 15 16 Shortcut method - Hexadecimal to Binary Step 1 − Divide the binary digits into groups of four (starting from the right). Octal Number − 25 8 = Binary Number − 10101 2 Shortcut method - Binary to Hexadecimal Step 2 − Combine all the resulting binary groups (of 3 digits each) into a single binary number. Step 1 − Convert each octal digit to a 3 digit binary number (the octal digits may be treated as decimal for this conversion). Step 2 − Convert each group of three binary digits to one octal digit.īinary Number − 10101 2 = Octal Number − 25 8 Shortcut method - Octal to Binary Step 1 − Divide the binary digits into groups of three (starting from the right). Octal Number − 25 8 = Binary Number − 10101 2 Shortcut method - Binary to Octal Octal Number − 25 8 = Decimal Number − 21 10 Step 2 − Convert Decimal to Binary Stepĭecimal Number − 21 10 = Binary Number − 10101 2 Step 2 − Convert the decimal number so obtained to the new base number.Ĭalculating Binary Equivalent − Step 1 − Convert to Decimal Step Step 1 − Convert the original number to a decimal number (base 10). The total is the equivalent value in decimal. Step 3 − Sum the products calculated in Step 2. Step 2 − Multiply the obtained column values (in Step 1) by the digits in the corresponding columns. Step 1 − Determine the column (positional) value of each digit (this depends on the position of the digit and the base of the number system). ![]() Example −Īs mentioned in Steps 2 and 4, the remainders have to be arranged in the reverse order so that the first remainder becomes the Least Significant Digit (LSD) and the last remainder becomes the Most Significant Digit (MSD).ĭecimal Number − 29 10 = Binary Number − 11101 2. The last remainder thus obtained will be the Most Significant Digit (MSD) of the new base number. Repeat Steps 3 and 4, getting remainders from right to left, until the quotient becomes zero in Step 3. Step 4 − Record the remainder from Step 3 as the next digit (to the left) of the new base number. Step 3 − Divide the quotient of the previous divide by the new base. Step 2 − Get the remainder from Step 1 as the rightmost digit (least significant digit) of new base number. Step 1 − Divide the decimal number to be converted by the value of the new base. Shortcut method − Hexadecimal to Binary.Shortcut method − Binary to Hexadecimal. ![]() ![]() There are many methods or techniques which can be used to convert numbers from one base to another. ![]()
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