Binary Operations: Addition (+), Subtraction (-), Multiplication (x), division (/). For radical expressions the first number does not matter and you can put anything, the third number is what the radical gets applied to. Radicals: Square Root (sqrt), Cosine (cos), Sine (sin), logarithm (log), squares (^), arctangent (atan), Other: Previous answer (ans),
Press Green Flag to reset. -When using Binary Operations with prev answer you have to put ans first but when using radical operations you have to put ans second. - divided by 0 = infinity