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My project is about a calculator
Calculator code
ArduinoConnect buttons to pins 13-2 and A0. If you are confused look in the integer section of the code.
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
LiquidCrystal_I2C lcd (0x27, 16, 2);
long x;
long y;
long xy;
long x2;
long y2;
long xy2;
long x3;
long y3;
long xy3;
long x4;
long y4;
long xy4;
int butL = 13;
int but2 = 12;
int but3 = 11;
int but4 = 10;
int but5 = 9;
int but6 = 8;
int but7 = 7;
int but8 = 6;
int but9 = 5;
int but10 = 4;
int butR = 3;
int MButton = 2;
int time1;
int time2;
int time3;
int time4;
int count = 4;
int count2 = 4;
int count3 = 4;
int count4 = 4;
float pi = 3.14159265359;
float radius;
float area;
int count6 = 4;
int time6;
float width;
float area2;
int count7 = 4;
int time7;
float width2;
float length1;
float area3;
int count8;
int time8;
float width3;
float length2;
float height;
float volume;
int count9 = 4;
int time9;
float length3;
float SurfaceArea;
int count10 = 4;
int time10;
float decimalx;
float decimaly;
float decimalxy;
int count5 = 4;
int time5;
long number;
long exponent;
long equivalent;
int count11 = 4;
int time11;
long answer;
long xx;
long xxx;
long xxxx;
int count12 = 4;
int time12;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
lcd.init();
lcd.backlight();
pinMode(butL, INPUT_PULLUP);
pinMode(but2, INPUT_PULLUP);
pinMode(but3, INPUT_PULLUP);
pinMode(but4, INPUT_PULLUP);
pinMode(but5, INPUT_PULLUP);
pinMode(but6, INPUT_PULLUP);
pinMode(but7, INPUT_PULLUP);
pinMode(but8, INPUT_PULLUP);
pinMode(but9, INPUT_PULLUP);
pinMode(but10, INPUT_PULLUP);
pinMode(butR, INPUT_PULLUP);
pinMode(MButton, INPUT_PULLUP);
pinMode(A0, INPUT_PULLUP);
}
void loop() {
// put your main code here, to run repeatedly:
if (digitalRead(A0) == 0) {
count = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("addition");
delay(600);
for (time1 == 0; time1 < 150; time1++) {
if (digitalRead(MButton) == 0) {
count = 100;
}
else {
delay(10);
}
}
if (count == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
x++;
lcd.setCursor(0, 0);
lcd.print(x);
Serial.println(x);
delay(355);
}
if (digitalRead(but2) == 0) {
y++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y);
Serial.println(y);
delay(355);
}
if (digitalRead(but3) == 0) {
x += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x);
Serial.println(x);
delay(355);
}
if (digitalRead(but4) == 0) {
y += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y);
Serial.println(y);
delay(355);
}
if (digitalRead(but5) == 0) {
x += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x);
Serial.println(x);
delay(355);
}
if (digitalRead(but6) == 0) {
y += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y);
Serial.println(y);
delay(355);
}
if (digitalRead(but7) == 0) {
x += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x);
Serial.println(x);
delay(355);
}
if (digitalRead(but8) == 0) {
y += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y);
Serial.println(y);
delay(355);
}
if (digitalRead(but9) == 0) {
x += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x);
Serial.println(x);
delay(355);
}
if (digitalRead(but10) == 0) {
y += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y);
Serial.println(y);
delay(355);
}
}
xy = x + y;
Serial.println(xy);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xy);
}
else {
count2 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("subtraction");
delay(600);
for (time2 == 0; time2 < 150; time2++) {
if (digitalRead(MButton) == 0) {
count2 = 100;
}
else {
delay(10);
}
}
if (count2 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
x2++;
lcd.setCursor(0, 0);
lcd.print(x2);
Serial.println(x2);
delay(355);
}
if (digitalRead(but2) == 0) {
y2++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y2);
Serial.println(y2);
delay(355);
}
if (digitalRead(but3) == 0) {
x2 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x2);
Serial.println(x2);
delay(355);
}
if (digitalRead(but4) == 0) {
y2 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y2);
Serial.println(y2);
delay(355);
}
if (digitalRead(but5) == 0) {
x2 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x2);
Serial.println(x2);
delay(355);
}
if (digitalRead(but6) == 0) {
y2 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y2);
Serial.println(y2);
delay(355);
}
if (digitalRead(but7) == 0) {
x2 += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x2);
Serial.println(x2);
delay(355);
}
if (digitalRead(but8) == 0) {
y2 += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y2);
Serial.println(y2);
delay(355);
}
if (digitalRead(but9) == 0) {
x2 += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x2);
Serial.println(x2);
delay(355);
}
if (digitalRead(but10) == 0) {
y2 += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y2);
Serial.println(y2);
delay(355);
}
}
xy2 = x2 - y2;
Serial.println(xy);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xy2);
}
else {
count3 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("multiplictation");
delay(600);
for (time3 == 0; time3 < 150; time3++) {
if (digitalRead(MButton) == 0) {
count3 = 100;
}
else {
delay(10);
}
}
if (count3 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
x3++;
lcd.setCursor(0, 0);
lcd.print(x3);
Serial.println(x3);
delay(355);
}
if (digitalRead(but2) == 0) {
y3++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y3);
Serial.println(y3);
delay(355);
}
if (digitalRead(but3) == 0) {
x3 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x3);
Serial.println(x3);
delay(355);
}
if (digitalRead(but4) == 0) {
y3 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y3);
Serial.println(y3);
delay(355);
}
if (digitalRead(but5) == 0) {
x3 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x3);
Serial.println(x3);
delay(355);
}
if (digitalRead(but6) == 0) {
y3 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y3);
Serial.println(y3);
delay(355);
}
if (digitalRead(but7) == 0) {
x3 += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x3);
Serial.println(x3);
delay(355);
}
if (digitalRead(but8) == 0) {
y3 += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y3);
Serial.println(y3);
delay(355);
}
if (digitalRead(but9) == 0) {
x3 += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x3);
Serial.println(x3);
delay(355);
}
if (digitalRead(but10) == 0) {
y3 += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y3);
Serial.println(y3);
delay(355);
}
}
xy3 = x3 * y3;
Serial.println(xy3);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xy3);
}
else {
count4 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("division");
delay(600);
for (time4 == 0; time4 < 150; time4++) {
if (digitalRead(MButton) == 0) {
count4 = 100;
}
else {
delay(10);
}
}
if (count4 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
x4++;
lcd.setCursor(0, 0);
lcd.print(x4);
Serial.println(x4);
delay(355);
}
if (digitalRead(but2) == 0) {
y4++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y4);
Serial.println(y4);
delay(355);
}
if (digitalRead(but3) == 0) {
x4 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x4);
Serial.println(x4);
delay(355);
}
if (digitalRead(but4) == 0) {
y4 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y4);
Serial.println(y4);
delay(355);
}
if (digitalRead(but5) == 0) {
x4 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x4);
Serial.println(x4);
delay(355);
}
if (digitalRead(but6) == 0) {
y4 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y4);
Serial.println(y4);
delay(355);
}
if (digitalRead(but7) == 0) {
x4 += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x4);
Serial.println(x4);
delay(355);
}
if (digitalRead(but8) == 0) {
y4 += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y4);
Serial.println(y4);
delay(355);
}
if (digitalRead(but9) == 0) {
x4 += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(x4);
Serial.println(x4);
delay(355);
}
if (digitalRead(but10) == 0) {
y4 += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(y4);
Serial.println(y4);
delay(355);
}
}
xy4 = x4 / y4;
Serial.println(xy4);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xy4);
}
else {
count5 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("decimalDIV");
delay(600);
for (time5 == 0; time5 < 150; time5++) {
if (digitalRead(MButton) == 0) {
count5 = 100;
}
else {
delay(10);
}
}
if (count5 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
decimalx += 100;
lcd.setCursor(0, 0);
lcd.print(decimalx);
Serial.println(decimalx);
delay(355);
}
if (digitalRead(but2) == 0) {
decimaly += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimaly);
Serial.println(decimaly);
delay(355);
}
if (digitalRead(but3) == 0) {
decimalx += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimalx);
Serial.println(decimalx);
delay(355);
}
if (digitalRead(but4) == 0) {
decimaly += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimaly);
Serial.println(decimaly);
delay(355);
}
if (digitalRead(but5) == 0) {
decimalx ++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimalx);
Serial.println(decimalx);
delay(355);
}
if (digitalRead(but6) == 0) {
decimaly ++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimaly);
Serial.println(decimaly);
delay(355);
}
if (digitalRead(but7) == 0) {
decimalx += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimalx);
Serial.println(decimalx);
delay(355);
}
if (digitalRead(but8) == 0) {
decimaly += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimaly);
Serial.println(decimaly);
delay(355);
}
if (digitalRead(but9) == 0) {
decimalx += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimalx);
Serial.println(decimalx);
delay(355);
}
if (digitalRead(but10) == 0) {
decimaly += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimaly);
Serial.println(decimaly);
delay(355);
}
}
decimalxy = decimalx / decimaly;
Serial.println(decimalxy);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(decimalxy);
}
else {
count6 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("area of circle");
delay(600);
for (time6 == 0; time6 < 150; time6++) {
if (digitalRead(MButton) == 0) {
count6 = 100;
}
else {
delay(10);
}
}
if (count6 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
radius++;
lcd.setCursor(0, 0);
lcd.print(radius);
Serial.println(radius);
delay(355);
}
if (digitalRead(but3) == 0) {
radius += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(radius);
Serial.println(radius);
delay(355);
}
if (digitalRead(but5) == 0) {
radius += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(radius);
Serial.println(radius);
delay(355);
}
if (digitalRead(but7) == 0) {
radius += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(radius);
Serial.println(radius);
delay(355);
}
if (digitalRead(but9) == 0) {
radius += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(radius);
Serial.println(radius);
delay(355);
}
}
area = radius * pi * radius;
Serial.println(area);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(area);
}
else {
count7 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("area of square");
delay(600);
for (time7 == 0; time7 < 150; time7++) {
if (digitalRead(MButton) == 0) {
count7 = 100;
}
else {
delay(10);
}
}
if (count7 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
width++;
lcd.setCursor(0, 0);
lcd.print(width);
Serial.println(width);
delay(355);
}
if (digitalRead(but3) == 0) {
width += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width);
Serial.println(width);
delay(355);
}
if (digitalRead(but5) == 0) {
width += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width);
Serial.println(width);
delay(355);
}
if (digitalRead(but7) == 0) {
width += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width);
Serial.println(width);
delay(355);
}
if (digitalRead(but9) == 0) {
width += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width);
Serial.println(width);
delay(355);
}
}
area2 = width * width;
Serial.println(area2);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(area2);
}
else {
count8 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("area of");
lcd.setCursor(0, 1);
lcd.print("rectangle");
delay(600);
for (time8 == 0; time8 < 150; time8++) {
if (digitalRead(MButton) == 0) {
count8 = 100;
}
else {
delay(10);
}
}
if (count8 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
length1++;
lcd.setCursor(0, 0);
lcd.print(length1);
Serial.println(length1);
delay(355);
}
if (digitalRead(but2) == 0) {
width2++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width2);
Serial.println(width2);
delay(355);
}
if (digitalRead(but3) == 0) {
length1 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length1);
Serial.println(length1);
delay(355);
}
if (digitalRead(but4) == 0) {
width2 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width2);
Serial.println(width2);
delay(355);
}
if (digitalRead(but5) == 0) {
length1 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length1);
Serial.println(length1);
delay(355);
}
if (digitalRead(but6) == 0) {
width2 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width2);
Serial.println(width2);
delay(355);
}
if (digitalRead(but7) == 0) {
length1 += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length1);
Serial.println(length1);
delay(355);
}
if (digitalRead(but8) == 0) {
width2 += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width2);
Serial.println(width2);
delay(355);
}
if (digitalRead(but9) == 0) {
length1 += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length1);
Serial.println(length1);
delay(355);
}
if (digitalRead(but10) == 0) {
width2 += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width2);
Serial.println(width2);
delay(355);
}
}
area3 = length1 * width2;
Serial.println(area3);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(area3);
}
else {
count9 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("volume of a cube");
delay(600);
for (time9 == 0; time9 < 150; time9++) {
if (digitalRead(MButton) == 0) {
count9 = 100;
}
else {
delay(10);
}
}
if (count9 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
length2++;
lcd.setCursor(0, 0);
lcd.print(length2);
Serial.println(length2);
delay(355);
}
if (digitalRead(but2) == 0) {
width3++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width3);
Serial.println(width3);
delay(355);
}
if (digitalRead(but3) == 0) {
length2 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length2);
Serial.println(length2);
delay(355);
}
if (digitalRead(but4) == 0) {
width3 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width3);
Serial.println(width3);
delay(355);
}
if (digitalRead(but5) == 0) {
length2 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length2);
Serial.println(length2);
delay(355);
}
if (digitalRead(but6) == 0) {
width3 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width3);
Serial.println(width3);
delay(355);
}
if (digitalRead(but7) == 0) {
length2 += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length2);
Serial.println(length2);
delay(355);
}
if (digitalRead(but8) == 0) {
width3 += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width3);
Serial.println(width3);
delay(355);
}
if (digitalRead(but9) == 0) {
length2 += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length2);
Serial.println(length2);
delay(355);
}
if (digitalRead(but10) == 0) {
width3 += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(width3);
Serial.println(width3);
delay(355);
}
}
delay(1000);
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
height++;
lcd.setCursor(0, 0);
lcd.print(height);
Serial.println(height);
delay(355);
}
if (digitalRead(but3) == 0) {
height += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(height);
Serial.println(height);
delay(355);
}
if (digitalRead(but5) == 0) {
height += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(height);
Serial.println(height);
delay(355);
}
if (digitalRead(but7) == 0) {
height += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(height);
Serial.println(height);
delay(355);
}
if (digitalRead(but9) == 0) {
height += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(height);
Serial.println(height);
delay(355);
}
}
volume = length2 * width3 * height;
Serial.println(volume);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(volume);
}
else {
count10 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Surface Area Cube");
delay(600);
for (time10 == 0; time10 < 150; time10++) {
if (digitalRead(MButton) == 0) {
count10 = 100;
}
else {
delay(10);
}
}
if (count10 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
length3++;
lcd.setCursor(0, 0);
lcd.print(length3);
Serial.println(length3);
delay(355);
}
if (digitalRead(but3) == 0) {
length3 += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length3);
Serial.println(length3);
delay(355);
}
if (digitalRead(but5) == 0) {
length3 += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length3);
Serial.println(length3);
delay(355);
}
if (digitalRead(but7) == 0) {
length3 += 0.1;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length3);
Serial.println(length3);
delay(355);
}
if (digitalRead(but9) == 0) {
length3 += 0.01;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(length3);
Serial.println(length3);
delay(355);
}
}
SurfaceArea = length3 * length3 * 6;
Serial.println(SurfaceArea);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(SurfaceArea);
}
else {
count11 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Exponent");
delay(600);
for (time11 == 0; time11 < 150; time11++) {
if (digitalRead(MButton) == 0) {
count11 = 100;
}
else {
delay(10);
}
}
if (count11 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
number++;
lcd.setCursor(0, 0);
lcd.print(number);
Serial.println(number);
delay(355);
}
if (digitalRead(but2) == 0) {
exponent++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(exponent);
Serial.println(exponent);
delay(355);
}
if (digitalRead(but3) == 0) {
number += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(number);
Serial.println(number);
delay(355);
}
if (digitalRead(but4) == 0) {
exponent += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(exponent);
Serial.println(exponent);
delay(355);
}
if (digitalRead(but5) == 0) {
number += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(number);
Serial.println(number);
delay(355);
}
if (digitalRead(but6) == 0) {
exponent += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(exponent);
Serial.println(exponent);
delay(355);
}
if (digitalRead(but7) == 0) {
number += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(number);
Serial.println(number);
delay(355);
}
if (digitalRead(but8) == 0) {
exponent += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(exponent);
Serial.println(exponent);
delay(355);
}
if (digitalRead(but9) == 0) {
number += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(number);
Serial.println(number);
delay(355);
}
if (digitalRead(but10) == 0) {
exponent += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(exponent);
Serial.println(exponent);
delay(355);
}
}
if (exponent == 2) {
equivalent = number * number;
}
else if (exponent == 3) {
equivalent = number * number * number;
}
else if (exponent == 4) {
equivalent = number * number * number * number;
}
else if (exponent == 5) {
equivalent = number * number * number * number * number;
}
else if (exponent == 6) {
equivalent = number * number * number * number * number * number;
}
else if (exponent == 7) {
equivalent = number * number * number * number * number * number * number;
}
else if (exponent == 8) {
equivalent = number * number * number * number * number * number * number * number;
}
else if (exponent == 9) {
equivalent = number * number * number * number * number * number * number * number * number;
}
else if (exponent == 10) {
equivalent = number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 11) {
equivalent = number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 12) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 13) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 14) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 15) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 16) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 17) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 18) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 19) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 20) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 21) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 22) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 23) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 24) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 25) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 26) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 27) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 28) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 29) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
else if (exponent == 30) {
equivalent = number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number * number;
}
Serial.println(equivalent);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(equivalent);
}
else {
count12 = 4;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("3 num equation");
delay(600);
for (time12 == 0; time12 < 150; time12++) {
if (digitalRead(MButton) == 0) {
count12 = 100;
}
else {
delay(10);
}
}
if (count12 == 100) {
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("confirmed");
delay(750);
lcd.clear();
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
xx++;
lcd.setCursor(0, 0);
lcd.print(xx);
Serial.println(xx);
delay(355);
}
if (digitalRead(but2) == 0) {
xxx++;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxx);
Serial.println(xxx);
delay(355);
}
if (digitalRead(but3) == 0) {
xx += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xx);
Serial.println(xx);
delay(355);
}
if (digitalRead(but4) == 0) {
xxx += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxx);
Serial.println(xxx);
delay(355);
}
if (digitalRead(but5) == 0) {
xx += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xx);
Serial.println(xx);
delay(355);
}
if (digitalRead(but6) == 0) {
xxx += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxx);
Serial.println(xxx);
delay(355);
}
if (digitalRead(but7) == 0) {
xx += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xx);
Serial.println(xx);
delay(355);
}
if (digitalRead(but8) == 0) {
xxx += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxx);
Serial.println(xxx);
delay(355);
}
if (digitalRead(but9) == 0) {
xx += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xx);
Serial.println(xx);
delay(355);
}
if (digitalRead(but10) == 0) {
xxx += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxx);
Serial.println(xxx);
delay(355);
}
}
delay(1000);
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
lcd.clear();
xxxx++;
lcd.setCursor(0, 0);
lcd.print(xxxx);
Serial.println(xxxx);
delay(355);
}
if (digitalRead(but3) == 0) {
xxxx += 10;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxxx);
Serial.println(xxxx);
delay(355);
}
if (digitalRead(but5) == 0) {
xxxx += 100;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxxx);
Serial.println(xxxx);
delay(355);
}
if (digitalRead(but7) == 0) {
xxxx += 1000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxxx);
Serial.println(xxxx);
delay(355);
}
if (digitalRead(but9) == 0) {
xxxx += 10000;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(xxxx);
Serial.println(xxxx);
delay(355);
}
}
delay(1000);
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
answer = xx + xxx + xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but2) == 0) {
answer = xx - xxx - xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but3) == 0) {
answer = xx * xxx * xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but4) == 0) {
answer = xx / xxx / xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but5) == 0) {
answer = xx + xxx - xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but6) == 0) {
answer = xx * xxx / xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but7) == 0) {
answer = xx - xxx + xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but8) == 0) {
answer = xx / xxx * xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but9) == 0) {
answer = xx + xxx * xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but10) == 0) {
answer = xx - xxx / xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
}
delay(1000);
while (digitalRead(butR) == 1) {
if (digitalRead(butL) == 0) {
answer = xx + xxx / xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but2) == 0) {
answer = xx - xxx * xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but3) == 0) {
answer = xx * xxx + xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but4) == 0) {
answer = xx / xxx - xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but5) == 0) {
answer = xx / xxx + xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but6) == 0) {
answer = xx * xxx - xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but7) == 0) {
answer = xx - xxx + xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
if (digitalRead(but8) == 0) {
answer = xx / xxx * xxxx;
lcd.clear();
lcd.setCursor(0, 0);
lcd.print(answer);
}
}
}
xx = 0;
xxx = 0;
xxxx = 0;
count12 = 4;
time12 = 0;
}
number = 0;
exponent = 0;
equivalent;
count11 = 4;
time11 = 0;
}
length3 = 0;
SurfaceArea = 0;
count10 = 4;
time10 = 0;
}
length2 = 0;
width3 = 0;
height = 0;
volume = 0;
count9 = 4;
time9 = 0;
}
length1 = 0;
width2 = 0;
area3 = 0;
count8 = 4;
time8 = 0;
}
width = 0;
area2 = 0;
count7 = 4;
time7 = 0;
}
radius = 0;
area = 0;
count6 = 4;
time6 = 0;
}
decimalx = 0;
decimaly = 0;
decimalxy = 0;
count5 = 4;
time5 = 0;
}
x4 = 0;
y4 = 0;
xy4 = 0;
count4 = 4;
time4 = 0;
}
x3 = 0;
y3 = 0;
xy3 = 0;
count3 = 4;
time3 = 0;
}
x2 = 0;
y2 = 0;
xy2 = 0;
count2 = 4;
time2 = 0;
}
x = 0;
y = 0;
xy = 0;
count = 4;
time1 = 0;
}
}
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