#include #include #include using namespace std; int main() { char letter; char letter1; char letter2; char letter3; char letter4; int a,b; double a1,b1; int result; double result1; cout<<"\n\n\n************SCIENTIFIC CALCULATOR************\n\n\n"; do{ cout<<"\t1:Arithmetic Operator\n"; cout<<"\t2:Trigonometric Funtion\n"; cout<<"\t3:Logarithmic Function\n"; cout<<"\t4:Power Functions\n"; cout<<"\t5:Exit...\n"; letter=getchar(); switch(letter) { case'1': { cout<<"\n\n"; cout<<"\t1:Addition\n"; cout<<"\t2:Subtraction\n"; cout<<"\t3:Multiplication\n"; cout<<"\t4:Division\n"; letter1=getchar(); switch(letter1) { case'1': { cout<<"\n\nEnter first number:"; cin>>a; cout<<"\nEnter another number:"; cin>>b; result=a+b; cout<<"\n\nResult:"<>a; cout<<"\nEnter another number:"; cin>>b; result=a-b; cout<<"\n\nResult:"<>a; cout<<"\nEnter another number:"; cin>>b; result=a*b; cout<<"\n\nResult:"<>a; cout<<"\nEnter another number:"; cin>>b; if(a!=0){ result=a/b; cout<<"\n\nResult:"<>a1; result=(sin(a1)); cout<<" \n\nResult="<>a1; result=(cos(a1)); cout<<" \n\nResult="<>a1; result=(tan(a1)); cout<<" \n\nResult="<>a1; result1=log(a1); cout<<"\n\nResult="<>a1; result1=log10(a1); cout<<"\n\nResult="<>a1; cout<<"Enter power:"; cin>>b1; result1=pow(a1,b1); cout<<"\n\nResult="<

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