actually i have a problem how to put array character into the formula...the array with 8 bytes ,what i'm supposed to do to make sure the character get into the formulaCode:void voltage_measure(void) { unsigned char Van1[8]; unsigned char Vbn[8]; unsigned char Vcn[8]; unsigned char AB[8]; unsigned char AC[8]; // unsigned int Vab1[8],Vab2[8],Vac1[8],Vac2[8],Vbc1[8],Vbc2[8]; // unsigned int Vab[8],Vac[8],Vbc[8]; // unsigned int i,j; Van1[0]=0xF0; Van1[1]=0x00; Van1[2]=0x00; Van1[3]=0x00; Van1[4]=0x00; Vbn[0]=0x78; Vbn[1]=0x00; Vbn[2]=0x00; Vbn[3]=0x00; Vbn[4]=0x00; Vcn[0]=0x3C; Vcn[1]=0x00; Vcn[2]=0x00; Vcn[3]=0x00; Vcn[4]=0x00; AB[0]=0x32; AB[1]=0x00; AC[0]=0x2D; AC[1]=0x00; /* for( i=0;i<4;i++) { for(j=0;j<1;j++) { Vab1[i]=((Vbn[i]*sin(AB[j]))*(Vbn*sin(AB[j]))); Vab2[i]=(Van1[i]+(Vbn[i]*cos(AB[i])))*(Van1[i]+(Vbn[i]*cos(AB[i]))); Vab[i]=sqrt(Vab1+Vab2); Vac1[i]=(Vcn[i]*sin(AC[i]))*(Vcn[i]*sin(AC[i])); Vac2[i]=(Van1[i]+(Vcn[i]*cos(AC[i])))*(Van1[i]+Vcn[i]*cos(AC[i])); Vac[i]=sqrt(Vac1[i]+Vac2[i]); Vbc1[i]=(Vcn*sin(BC))*(Vcn*sin(BC)); Vbc2[i]=(Vbn[i]+(Vcn[i]*cos(BC[j])))*(Vbn[i]+(Vcn[i]*cos(BC[j]))) ; Vbc[i]=sqrt(Vbc1[i]+Vbc2[i]); } } */ }/co