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How can I input more than one digit numbers on my calculator I made?
I made a calculator and everything works fine, I just don't know how I would make it able to do more than one digit numbers. Can you please help me out? Here is the code:
using UnityEngine;
using System.Collections;
public class Calculator : MonoBehaviour {
string asmd = ""; //Addition, subtraction...
int num1 = 0;
int num2 = 0;
int answer = 0;
bool num1chosen = false;
void OnGUI() {
GUI.Box(new Rect(10, 10, 370, 315), "");
GUI.Box(new Rect(15, 15, 80, 30), "" + num1);
GUI.Box(new Rect(100, 15, 50, 30), "" + asmd);
GUI.Box(new Rect(155, 15, 80, 30), "" + num2);
GUI.Box(new Rect(240, 15, 50, 30), "=");
GUI.Box(new Rect(295, 15, 80, 30), "" + answer);
if(GUI.Button(new Rect(15, 50, 80, 50), "7")) {
if(num1chosen == false) {
num1 = 7;
}
else {
num2 = 7;
}
}
if(GUI.Button(new Rect(100, 50, 80, 50), "8")) {
if(num1chosen == false) {
num1 = 8;
}
else {
num2 = 8;
}
}
if(GUI.Button(new Rect(185, 50, 80, 50), "9")) {
if(num1chosen == false) {
num1 = 9;
}
else {
num2 = 9;
}
}
if(GUI.Button(new Rect(15, 105, 80, 50), "4")) {
if(num1chosen == false) {
num1 = 4;
}
else {
num2 = 4;
}
}
if(GUI.Button(new Rect(100, 105, 80, 50), "5")) {
if(num1chosen == false) {
num1 = 5;
}
else {
num2 = 5;
}
}
if(GUI.Button(new Rect(185, 105, 80, 50), "6")) {
if(num1chosen == false) {
num1 = 6;
}
else {
num2 = 6;
}
}
if(GUI.Button(new Rect(15, 160, 80, 50), "1")) {
if(num1chosen == false) {
num1 = 1;
}
else {
num2 = 1;
}
}
if(GUI.Button(new Rect(100, 160, 80, 50), "2")) {
if(num1chosen == false) {
num1 = 2;
}
else {
num2 = 2;
}
}
if(GUI.Button(new Rect(185, 160, 80, 50), "3")) {
if(num1chosen == false) {
num1 = 3;
}
else {
num2 = 3;
}
}
if(GUI.Button(new Rect(15, 215, 165, 50), "0")) {
if(num1chosen == false) {
num1 = 0;
}
else {
num2 = 0;
}
}
if(GUI.Button(new Rect(185, 215, 80, 50), "AC")) {
num1 = 0;
num2 = 0;
answer = 0;
asmd = "";
num1chosen = false;
}
if(GUI.Button(new Rect(15, 270, 360, 50), "=")) {
if(asmd == "+") {
answer = num1 + num2;
}
else if(asmd == "-") {
answer = num1 - num2;
}
else if(asmd == "*") {
answer = num1 * num2;
}
else if(asmd == "/") {
answer = num1 / num2;
}
}
if(GUI.Button(new Rect(270, 50, 105, 50), "+")) {
asmd = "+";
num1chosen = true;
}
if(GUI.Button(new Rect(270, 105, 105, 50), "-")) {
asmd = "-";
num1chosen = true;
}
if(GUI.Button(new Rect(270, 160, 105, 50), "*")) {
asmd = "*";
num1chosen = true;
}
if(GUI.Button(new Rect(270, 215, 105, 50), "/")) {
asmd = "/";
num1chosen = true;
}
}
}
Could you please expound on your question? I'm not quite sure what you mean by 'more than one digit numbers'.
You need to think of a way to move all currently selected numbers left by one, so 52 -> 520, 253 -> 2530 etc. After having achieved this, you need to figure out how to replace that 0 with the digit the user has pressed...
Let say you have answere 737
then try this
int _ans = 737; // put your answere here
int digit;
int lastDigit;
int i=0;
while(Math.abs(_ans) >0){
digit= _ans%10;
_ans = _ans/10;
digitArray[i]= digit; // here you can collect digit into array or some other data structure
i++; // digits would be in reverse order
if(_ans <10 ) _ans =0;
print(digit);
}
