Help, Serial is only replying 0!

help! serial monitor reporting 0 when pump in letters/numbers

code: [select]

//this program calculate points on plot should rotate shape to, using arduino purely math co processor!
//this near advanced , 1 plot point @ time, patient!
int x = 0;
int y = 0;
int incominginfo;
int correctedbyte;
void setup() {
  serial.begin(4800);
  serial.print("hello, welcome transformations rotation calculator. steps: 1, input x , y respectively.");
  serial.print("\n");
  serial.print("please use numbers when asked.");

}

void loop() {
    if (serial.available() > 0) {
                // read incoming byte:
                incominginfo = serial.read();
                if (incominginfo = 10) {
                  //do nothing
                }
                else {
                  incominginfo = correctedbyte;
                }
               

                // got:
                serial.print("i received: ");
                serial.println(correctedbyte);
        }
}

please help, im kinda new!

code: [select]

if (incominginfo = 10) {
i not know else might wrong, is.  = assignment,  == comparison.

the serial input basics thread might of interest.

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