<p>i’ve finished the whole math20 series. you rarely need a calculator. most of the time i figured if i need a calculator then im doing something wrong which turned out to be true 99% of the time</p>
<p>i’ve finished the whole math20 series. you rarely need a calculator. most of the time i figured if i need a calculator then im doing something wrong which turned out to be true 99% of the time</p>