Four functions of the MATH menu

In the MATH menu, number 3 is iPart, the integer part. Press , , , type 42.195, and press : 42.. Number 4 is fPart, the fractional part. Press , , the , 2, and press : 0.414213562. Number 5 is int, the highest integer that is not above the value. Press , , the , type 34.5, and press : −35.. Number 6 is %. Type 50, press , type 8, then , . Press , type 200, and press : $\displaystyle 50 \times 8\% + 200$ is 204..