3x+5y+3x+y
8 tan 34 rounded to 1dp
work out 8 tan 34 rounded to 1dp
78/0.0347
5x-2-(3x-1)
(s*(C/A+1)+1/(B*A))/(s*(C+1)+(1/(A*B)))
(s*(C/CF+1)+1/(RF*CF))/(s*(C+1)+(1/(RF*CF)))
all prime numbers btween 80 and 90
2x+3+4x-2
3n+4=13
