Math 10+

Logarithms Before Calculators

NO CALCULATORS ALLOWED. No way… Before the invention of calculators, people solved complex calculations by converting values to logarithms in base 10, and at the time, this was the most efficient way of performing these calculations. By taking the logs of numbers, we are able to apply the “laws of logs”, which allow us to: … Continue reading

Math 10+

Complex Solutions

Is there any good reason to have complex solutions? Are there any practical applications of complex solutions to a quadratic? Before the discovery of complex numbers, the answer to a negative square root of any number was always “no solution”. But now we can use the concept of “imaginary numbers” to find solutions to equations … Continue reading