intv
(7x² y³)⁰
3x-y=10
x+y=-2
find the indicated root of 3 - $\sqrt{-1\ 64}$
150/1.5
x^2 D^2 - 3x D + 5y = sin(log x) by cauch'y euler method
1500/1.5
find xf ix+5=-4x+200
1.5/1500
(− 6) • [(− 10) ÷ (− 5) − (− 5)] -(-2)